Kramer VS-88UHD User Manual

USER MANUAL

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MODEL:

VS-88UHD
8x8 UHD Matrix Switcher

P/N: 2900-300629 Rev 1 www.kramerAV.com

VS-88UHD – Contents

i

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Contents

Introduction 1

Getting Started 1
Overview 2
Typical Applications 3
Controlling your VS-88UHD 3

Defining the VS-88UHD 8x8 UHD Matrix Switcher 4
Installing in a Rack 6
Connecting the VS-88UHD 7

Connecting to VS-88UHD via RS-232 8
Connecting VS-88UHD via the ETHERNET Port 8

Operating VS-88UHD via Front Panel Buttons 11

Routing the Signals 11
Storing and Recalling a Setup 17
Setting the Switching Mode 18
Setting the Switching Speed 18
Setting HDCP 19
Copying the EDID 19

Firmware Upgrade 21
Using the Embedded Web Pages 22

Switching and Setting the Ports 24
Changing Device Settings and Upgrading the Firmware 33
Managing Web Page Security 34
Setting the Timeout 37
Setting Switching Modes 39
Setting Step-in Devices 41
Managing the EDID 42
Viewing the About Page 48

Technical Specifications 49

Default Communication Parameters 49
Default Parameters 50

Protocol 3000 51

Understanding Protocol 3000 52
Kramer Protocol 3000 Syntax 53
Protocol 3000 Commands 54

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VS-88UHD – Introduction

1

Go to www.kramerav.com/downloads/VS-88UHD to check for up-to-date user manuals,
application programs, and to check if firmware upgrades are available (where appropriate).

This equipment is to be used only inside a building. It may only be connected to other
equipment that is installed inside a building.

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Introduction

Welcome to Kramer Electronics! Since 1981, Kramer Electronics has been providing a world of
unique, creative, and affordable solutions to the vast range of problems that confront the video,
audio, presentation, and broadcasting professional on a daily basis. In recent years, we have
redesigned and upgraded most of our line, making the best even better!

Our 1,000-plus different models now appear in 15 groups that are clearly defined by function:
GROUP 1: Distribution Amplifiers; GROUP 2: Switchers and Routers; GROUP 3: Control
Systems; GROUP 4: Format & Standards Converters; GROUP 5: Range Extenders &
Repeaters; GROUP 6: Specialty AV Products; GROUP 7: Scalers; GROUP 8: Cables and
Connectors; GROUP 9: Room Connectivity; GROUP 10: Mounting and Rack Adapters;
GROUP 11: Sierra Video; GROUP 12: Digital Signage; GROUP 13: Audio; GROUP 14:
Collaboration; and GROUP 15: KM & KVM Switches.

Getting Started

We recommend that you:

 Unpack the equipment carefully and save the original box and packaging materials for

possible future shipment.

 Review the contents of this user manual.

Achieving the Best Performance

 Use only good quality connection cables (we recommend Kramer high-performance,

high-resolution cables) to avoid interference, deterioration in signal quality due to poor
matching, and elevated noise levels (often associated with low quality cables).

 Do not secure the cables in tight bundles or roll the slack into tight coils.
 Avoid interference from neighbouring electrical appliances that may adversely influence

signal quality.

 Position your Kramer VS-88UHD away from moisture, excessive sunlight and dust.

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VS-88UHD – Introduction

2

Caution:

There are no operator serviceable parts inside the unit.

Warning:

Use only the power cord that is supplied with the unit.

Warning:

Do not open the unit. High voltages can cause electrical shock! Servicing by
qualified personnel only.

Warning:

Disconnect the power and unplug the unit from the wall before installing.

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Safety Instructions

Recycling Kramer Products

The Waste Electrical and Electronic Equipment (WEEE) Directive 2002/96/EC aims to reduce
the amount of WEEE sent for disposal to landfill or incineration by requiring it to be collected
and recycled. To comply with the WEEE Directive, Kramer Electronics has made
arrangements with the European Advanced Recycling Network (EARN) and will cover any
costs of treatment, recycling and recovery of waste Kramer Electronics branded equipment on
arrival at the EARN facility. For details of Kramer’s recycling arrangements in your particular
country go to our recycling pages at www.kramerav.com/support/recycling.

Overview

Congratulations on purchasing your Kramer VS-88UHD.

VS-88UHD is a high-quality 8x8 UHD Matrix Switcher for 4K@60Hz (4:2:0) HDMI signals and

embedded audio. It reclocks and equalizes the signals and can route any one of eight HDMI,
HDCP-compliant sources (selectable) to any or all outputs simultaneously.

VS-88UHD offers a flexible audio scheme where any HDMI digital audio input can be routed to

any HDMI digital audio output in addition to ARC support to produce an equivalent 16x12
audio matrix.

The VS-88UHD provides exceptional quality, advanced and user-friendly operation, and
flexible control.

Exceptional Quality

 Max. data rate – 8.91Gbps data rate (2.97Gbps per graphics channel).
 Max. resolution – Up to 4K@60Hz UHD (4:2:0).
 Step-in over HDMI technology.
 HDMI, HDCP and DVI Compliance.
 HDMI support – Deep color, 3D, ARC, up to 7.1 uncompressed audio channels.
 Kramer reKlocking™ and equalization technology – rebuilds the digital signal to travel

longer distances.

Advanced and User-friendly Operation

 Automatic input selection – Based on priority selection or last connected input.
 Embedded pattern generator (480p) – With selectable patterns.

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VS-88UHD – Introduction

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 Selectable HDCP per input.
 Memory locations – 16 presets for quick access to common configurations.
 Advanced EDID management per input.
 Active source and acceptor detection.
 Easy front-panel operation.
 Selectable switching speed.
 Lock button to prevent tampering.
 Kramer protocol 3000 support.
 Firmware upgrade via mini USB, Ethernet or the RS-232 port.
 Control Options – RS-232 serial commands transmitted by a PC, touch screen system or

other serial controller, Ethernet port via LAN.

 7-segment display, indicating the video and audio status and other functions.
 Audio breakaway and AFV (audio-follow-video) operation support.
 Efficient power-saving features.
 Includes non-volatile memory that retains the last settings, after switching the power off

and then on again.

Flexible Connectivity

 8x8 switching for HDMI signals
 Independent 16x12 Audio Matrix – With 8 embedded digital inputs + 8 ARC inputs and 8

digital outputs + 4 ARC outputs.

 Optional ARC from HDMI outputs to HDMI inputs 1, 3, 5 and 7.
 Housed in a 19” 1U rack mountable enclosure, with rack ears included, and is fed from a

100-240 VAC universal switching power supply.

Typical Applications

The VS-88UHD is ideal for the following typical applications:

 Control rooms with multiple displays.
 Presentation and multimedia applications.
 Systems that require automatic HDMI routing.

Controlling your VS-88UHD

Control your VS-88UHD directly via the front panel push buttons, or:

 By RS-232 serial commands transmitted by a touch screen system, PC, or other serial

controller.

 Via the Ethernet using built-in user-friendly Web pages.

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VS-88UHD – Defining the VS-88UHD 8x8 UHD Matrix Switcher

4

#

Feature

Function

The behavior of the front panel buttons and the 7-segment display changes along with the operation
modes. For further details see Operating VS-88UHD via Front Panel Buttons on page 11.

IN (PATTERN)
SELECTOR Buttons

Press to select the input (1 to 8) to switch after selecting an output (also
used for storing machine setups in the STO-RCL modes and for selecting a
pattern in the Pattern mode).

OUT (MUTE) SELECTOR
Buttons

Press to select an output (1 to 8) to which the input is routed. Also used for
storing machine presets.

MUTE/PATTERN Button

Press to view the current pattern status and select the output/s to which a
pattern is routed.
Press to mute audio or video on a selected output when D-AUDIO and/or
VIDEO buttons are pressed (lit).

ALL Button

Press to perform an action on all outputs (for example setting Mute mode,
Pattern mode and so on).
For switching, press ALL and then a specific IN button to route the selected
input to all outputs. For example, press ALL and then IN 2 to route input 2
to all the outputs.

STO and RCL Buttons

Press STO to store the current switching setting to a preset button.
Press RCL to recall the switching setting from a preset button.

ARC Button

Press to set ARC mode on the inputs (see Operating in ARC Mode on page

15).

D-AUDIO Button

Press to enable digital audio routing. When pressed together with VIDEO,
the digital audio is routed together with the video signal.

VIDEO Button

Press to select video inputs. When pressed together with D-AUDIO, video
is switched together with audio.

LOCK Button

Press and hold (for about 3 seconds) to toggle locking/releasing of the front
panel buttons.
Press to save the following setups: HDCP (On/Off), ARC, Fast Switch and
Switch mode.

EDID Button

Press to capture the EDID.

OUTPUT/INPUT
7-segment LED Display

Displays the selected inputs switched to the outputs (marked above each
input).

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Defining the VS-88UHD 8x8 UHD Matrix Switcher

This section defines the VS-88UHD.

Figure 1: VS-88UHD 8x8 UHD Matrix Switcher Front Panel

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VS-88UHD – Defining the VS-88UHD 8x8 UHD Matrix Switcher

5

#

Feature

Function

INPUT HDMI Connector

Connect to the HDMI source (from 1 to 8).

OUTPUT HDMI Connectors

Connect to HDMI acceptors (from 1 to 8).

PROG Mini USB Port

Use for firmware upgrade or communication (connecting to a PC or a
serial controller).

SETUP DIP-Switches

N/A

5V/2A USB Port

Use to charge a device.

Reset Button

Press and hold while powering the device to reset IP settings to factory
default values.

ETHERNET RJ-45 Port

Connect to your LAN.

OPTIONAL Terminal Block
Connectors

N/A

RS-232 3-pin Terminal
Block Connectors

Connect to a PC or a serial controller.
Mains Power Connector

Connect to the mains power.

Mains Power Fuse

Fuse for protecting the device.

Mains Power Switch

Switch for turning the device on or off.

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Figure 2: VS-88UHD 8x8 UHD Matrix Switcher Rear Panel

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VS-88UHD – Installing in a Rack

6

When installing on a 19" rack, avoid hazards by taking care that:

 It is located within recommended environmental conditions. Operating ambient

temperature of a closed or multi-unit rack assembly may exceed ambient room
temperature.

 Once rack mounted, there is enough air still flow around the VS-88UHD.
 The VS-88UHD is placed upright in the correct horizontal position.
 You do not overload the circuit(s). When connecting the VS-88UHD to the supply

circuit, overloading the circuits may have a detrimental effect on overcurrent protection
and supply wiring. Refer to the appropriate nameplate ratings for information. For
example, for fuse replacement, see the value printed on the product label.

 The VS-88UHD is earthed (grounded) and connected only to an electricity socket with

grounding. Pay particular attention when electricity is supplied indirectly (for example,
when the power cord is not plugged directly into the wall socket but to an extension
cable or power strip). Use only the supplied power cord.

To rack-mount the VS-88UHD:

1. Attach both ear brackets to the VS-88UHD:

Remove the screws from each side of the

VS-88UHD (3 on each side), and replace them

through the ear brackets.

2. Place the ears of the VS-88UHD against the rack

rails and insert the appropriate screws (not provided)
through each of the four holes in the rack ears.

Some models, may feature built-in rack ears:

 Detachable rack ears can be removed for desktop use.
 Always mount the VS-88UHD in the rack before connecting any cables or power.
 If you are using a Kramer rack adapter kit (for a machine that is not 19"), see the Rack

Adapters user manual for installation instructions available from our Web site

www.kramerav.com/downloads/VS-88UHD.

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Installing in a Rack

This section provides instructions for rack mounting the VS-88UHD. Before installing in a rack,
verify that the environment is within the recommended range:

 Operation temperature – 0 to 40C (32 to 104F).
 Storage temperature – -40 to +70C (-40 to +158F).
 Humidity – 10% to 90%, RHL non-condensing.

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VS-88UHD – Connecting the VS-88UHD

7

Always switch off the power to each device before connecting it to your VS-88UHD. After
connecting your VS-88UHD, connect its power and then switch on the power to each device.

Although this connecting example shows only several inputs and outputs that are connected,
you can connect all the inputs and outputs simultaneously.

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Connecting the VS-88UHD

To connect the VS-88UHD as illustrated in the example in Figure 3, do the following:

1. Connect up to eight video sources to the inputs (from INPUT1 to INPUT 8). For
example, connect:

 A laptop to INPUT 1, 3, 4 and 8 HDMI connectors.
 Blu-ray players to the INPUT 2 and INPUT 6 HDMI connectors.

2. Connect the eight video HDMI outputs (from OUTPUT 1 to OUTPUT 8) to up to eight
acceptors. For example, connect:

3. Connect the power cord.
We recommend that you use only the power cord that is supplied with this machine

4. If required, connect:

 The 5V/2A USB port to the USB port of another device to charge it.
 The ETHERNET port .

Figure 3: Connecting to the VS-88UHD Rear Panel

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VS-88UHD – Connecting the VS-88UHD

8

If you want to connect via a router and your IT system is based on IPv6, speak to your IT
department for specific installation instructions

This type of connection is recommended for identifying the VS-88UHD
with the factory configured default IP address.

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Connecting to VS-88UHD via RS-232

You can connect to the VS-88UHD via an RS-232 connection using, for example, a PC.

To connect to the VS-88UHD via RS-232:

 Connect the RS-232 rear panel port on the VS-88UHD unit via a

9-wire straight cable (only pin 2 to pin 2, pin 3 to pin 3, and pin 5 to pin 5 need to be
connected) to the RS-232 9-pin D-sub port on your PC.

Connecting VS-88UHD via the ETHERNET Port

You can connect to the VS-88UHD via Ethernet using either of the following methods:

 Directly to the PC using a crossover cable (see Connecting the Ethernet Port Directly to a

PC on page 8).

 Via a network hub, switch, or router, using a straight-through cable (see Connecting the

Ethernet Port via a Network Hub or Switch on page 10).

Connecting the Ethernet Port Directly to a PC

You can connect the Ethernet port of the VS-88UHD directly to the Ethernet port on your PC
using a crossover cable with RJ-45 connectors.

After connecting the VS-88UHD to the Ethernet port, configure your PC as follows:

1. Click Start > Control Panel > Network and Sharing Center.

2. Click Change Adapter Settings.

3. Highlight the network adapter you want to use to connect to the device and click Change
settings of this connection.
The Local Area Connection Properties window for the selected network adapter appears
as shown in Figure 4.

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VS-88UHD – Connecting the VS-88UHD

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Figure 4: Local Area Connection Properties Window

4. Highlight either Internet Protocol Version 6 (TCP/IPv6) or Internet Protocol Version 4
(TCP/IPv4) depending on the requirements of your IT system.

5. Click Properties.
The Internet Protocol Properties window relevant to your IT system appears as shown in

Figure 5 or Figure 6.

Figure 5: Internet Protocol Version 4 Properties Window

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VS-88UHD – Connecting the VS-88UHD

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Figure 6: Internet Protocol Version 6 Properties Window

6. Select Use the following IP Address for static IP addressing and fill in the details as
shown in Figure 7.
For TCP/IPv4 you can use any IP address in the range 192.168.1.1 to 192.168.1.255
(excluding 192.168.1.39) that is provided by your IT department.

Figure 7: Internet Protocol Properties Window

7. Click OK.

8. Click Close.

Connecting the Ethernet Port via a Network Hub or Switch

You can connect the Ethernet port of the VS-88UHD to the Ethernet port on a network hub or
using a straight-through cable with RJ-45 connectors.

Control Configuration via the Ethernet Port

To control several units via Ethernet, connect the Master unit (Device 1) via the Ethernet port
to the Ethernet port of your PC. Use your PC provide initial configuration of the settings (see

Connecting VS-88UHD via the ETHERNET Port on page 8).

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VS-88UHD – Operating VS-88UHD via Front Panel Buttons

11

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Operating VS-88UHD via Front Panel Buttons

Press the power switch to power the device. During the 10-second initialization process,
the:

 7-segment display LEDs are on.
 All the front panel buttons illuminate.
 The FPGA/EPLD version (P), the firmware version (F) and the build version (b) appear in

succession.

Following initialization, the front panel buttons and 7-segment display enter normal operation:

 The 7-segment display shows the video IN-OUT status.
 The current operation mode button illuminates (VIDEO, by default).
 An illuminated IN (PATTERN) button indicates an active signal connected to the input.
 An illuminated OUT (MUTE) button indicates that an acceptor is connected to the

output.

The VS-88UHD front panel buttons enable performing the following functions:

 Routing the Signals on page 11.
 Storing and Recalling a Setup on page 17.
 Setting the Switching Mode on page 18.
 Setting the Switching Speed on page 18.
 Setting HDCP on page 19.
 Copying the EDID on page 19.

Routing the Signals

You can switch the video and the embedded audio signals together (AFV), or switch them
separately, via the following switching modes:

 Switching the Video Signal on page 12.
 Routing an Audio Input to the HDMI Output on page 12.
 Switching the Video and the Audio Signal Simultaneously on page 13.
 Muting/Unmuting an Output on page 14.
 Routing a Pattern to the Output on page 14.
 Operating in ARC Mode on page 15.

VS-88UHD – Operating VS-88UHD via Front Panel Buttons

12

On the front panel buttons:

 An illuminated input button means that an active signal is detected on that input.
 An illuminated output button means that a display is connected to that output.
 A flashing output button means that a non-HDCP display is connected to that output.

Note that in case an HDCP-encrypted input is routed through the matrix to a
non-HDCP screen, the video will not be presented and the non-HDCP screen will turn
black.

On the 7-segment display:

 A digit (from 1 to 8) shows the input number that is currently routed to the output.
 “P” under an output number indicates that a pattern is routed to that output.
 “0” under an output number indicates that the output is muted.

Press ALL (instead of an output button) to route the selected input to all the outputs. All
the 7-segment display LEDs flash.

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Switching the Video Signal

The VIDEO button on the VS-88UHD front panel enables video routing.

To switch a video input to an output:

1. Press VIDEO .
The button illuminates and the 7-segment display shows the current IN-OUT video
status.

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2. Press an OUT (MUTE) button (1 to 8).
The 7-segment display LED, under the selected output, flashes.

3. Press an IN (PATTERN) button (1 to 8).
The selected input is switched to the selected output (or to all the outputs if ALL was
pressed instead) and the 7-segment display shows the current status.

Routing an Audio Input to the HDMI Output

The D-AUDIO button on the VS-88UHD front panel enables to route the HDMI embedded
audio input signals to the HDMI outputs .

Generally, digital routing is enabled by pressing D-AUDIO:

 When it is illuminated, the HDMI input embedded audio is the audio source.

To switch an HDMI audio input to an output:

1. Press D-AUDIO .
The button illuminates (HDMI audio input to HDMI output mode) and the 7-segment
display shows the current IN-OUT digital audio status.

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VS-88UHD – Operating VS-88UHD via Front Panel Buttons

13

On the front panel buttons:

 An illuminated input button means that an active digital audio signal is detected on that

input that supports LPCM audio.

 A dark input button means that there is no active digital audio source on that input (or

that the source is DVI).

 A flashing input button means that a Dobly digital audio, Dobly-TrueHD audio, or AC-3

audio signal from a DVD player is detected on that input.

 An illuminated output button means that a display that supports LPCM audio is

connected to that output.

 A dark button means either that the display that is connected does not support audio

or that a display is not connected at all.

 A flashing output button means that a display is connected that does not support

LPCM.

On the 7-segment display:

 “0” under an output number indicates that the audio output is muted.
 “.” under an output number indicates that the HDMI output port is in ARC mode.
 Any digit shows the HDMI audio input switching state.

Press ALL (instead of an output button) to route the selected input to all the outputs. All
the 7-segment display LEDs flash.

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2. While D-AUDIO is on, select an output button (for example, 6) and then an input button
(for example, 5). HDMI audio input 5 is routed to HDMI audio output 6 and on the
7-segment display, INPUT 5 appears under OUTPUT 6.

When switching you can also press:

 An output button (1 to 8) and then OUT (MUTE) to mute the selected output (turns 0).
 ALL (instead of an output button) and then an input button to route the selected input

to all the outputs.
All the 7-segment display LEDs flash and then display the selected input.

Switching the Video and the Audio Signal Simultaneously

You can select the audio signal to switch to the output together with the video signal.

To switch the audio and video signals together to an output:

1. Press D-AUDIO and VIDEO simultaneously.
The button illuminates and the 7-segment display shows the current IN-OUT video
status.

2. Press an OUT (MUTE) button (1 to 8).
The 7-segment display LED, under the selected output, flashes.

3. Press an IN (PATTERN) button (1 to 8).
The selected video and audio input is switched to the selected output (or to all the
outputs if ALL was pressed instead) and the 7-segment display shows the current
status.

VS-88UHD – Operating VS-88UHD via Front Panel Buttons

14

Press ALL (instead of an output button) to mute/unmute all the outputs. All the
7-segment display LEDs flash.

Press ALL (instead of an output button) to mute/unmute all the outputs. All the
7-segment display LEDs flash.

Once a pattern is selected, that same pattern is routed to all the selected outputs.

1 (Color Bars)

2 (Ramp)

3 (Solid White)

4 (Solid Black)

5 (Solid Red)

6 (Solid Green)

7 (Solid Blue)

8 (Checkboard)

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Muting/Unmuting an Output

You can mute/unmute an audio signal and a video signal separately.

To mute/unmute an audio signal:

1. Press A-AUDIO or D-AUDIO.
The buttons illuminate.

2. Press an OUT (MUTE) button (1 to 8).

3. Press MUTE/PATTERN to mute/unmute the output.
The muted output appears as “0” on the 7-segment display.

To mute/unmute a video signal:

1. Press VIDEO.
The button illuminates and the 7-segment display shows the current IN-OUT video
status.

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2. Press an OUT (MUTE) button (1 to 8).
The 7-segment display LED, under the selected output, flashes.

3. Press MUTE/PATTERN to mute/unmute the output.
The muted output appears as “0” on the 7-segment display.

Routing a Pattern to the Output

VS-88UHD generates 8 embedded patterns. These patterns can be routed at a resolution of

480p to any of the outputs.

A pattern is selected by pressing inputs 1 to 8 when in the Pattern mode.

Figure 8: VS-88UHD Embedded Patterns

VS-88UHD – Operating VS-88UHD via Front Panel Buttons

15

On the front panel buttons:

 An illuminated output button means that a display is connected on that output.
 An illuminated input button indicates the current pattern selected.

On the 7-segment display:

 “P” under an output number indicates that a pattern is routed to that output.
 “-” under an output number indicates that a video input is routed to that output.
 “0” under an output number indicates that the output is muted.

Press ALL (instead of an output button) to route a pattern to all the outputs. All the
7-segment display LEDs flash.

Press VIDEO, D-AUDIO or A-AUDIO to exit pattern mode.

ARC can be enabled or disabled at any time, regardless of whether a display is connected to
the HDMI output or not.

On the front panel:

 A flashing output button means that the audio of that output is set to ARC mode.
 An illuminated output button means that the output is not in ARC mode.

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To route a pattern:

1. Press MUTE/PATTERN .

2. Press an OUT (MUTE) button (1 to 8).
The 7-segment display LED, under the selected output, flashes.

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3. Press an input button to select a pattern (see Figure 8).
The 7-segment display shows the new pattern status.

Operating in ARC Mode

ARC (Audio Return Channel) can be set via the front panel buttons or the embedded
webpages (see Switching Audio in Breakaway Mode on page 30 and Setting Inputs 1, 3, 5 and

7 on page 26).

To route an HDMI audio output to HDMI input ports via the front panel buttons:

 Enable ARC on the HDMI outputs.
 Enable ARC on the HDMI inputs.
 Route HDMI OUT audio to an ARC-enabled input.

To ARC-Enable an HDMI output:

1. Press MUTE/PATTERN and ALL simultaneously until both buttons illuminate and
the device enters ARC mode:

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VS-88UHD – Operating VS-88UHD via Front Panel Buttons

16

The ARC-enabled outputs can be routed to inputs 1, 3. 5 and 7.

ARC can be enabled or disabled on inputs 1, 3, 5 and 7 at any time, regardless of whether
an amplifier is connected to the HDMI input or not.

On the front panel:

 A flashing output button means that the audio of that output is ARC-enabled.
 An illuminated output button means that the output is not iARC-enabled.

On the front panel buttons:

 An illuminated output button means that the corresponding output port is

ARC-enabled.

 A dark output button means that the corresponding output port is not ARC enabled.
 An illuminated input button means that it is an ARC-disabled input.

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2. Press one or more output buttons:

 If the selected button flashes, that output is ARC-enabled.
 If the selected button stops flashing, ARC mode is disabled for that output.

The LOCK button flashes.

3. Press LOCK to save changes.
The LOCK button flashes until the changes are saved.
The device returns to Video switching mode.

To ARC-enable an HDMI input:

1. Press EDID and ALL simultaneously until both buttons illuminate and the device enters
ARC mode.

2. Press one or more of the input buttons:

 If the selected button flashes, that input is ARC-enabled.
 If the selected button stops flashing, ARC mode is disabled for that input.

The LOCK button flashes.

3. Press LOCK to save changes.
The LOCK button flashes until the changes are saved.
The device returns to Video switching mode.

To route an HDMI OUT ARC to an HDMI input port:

1. Press ARC.
The button illuminates and the device enters the ARC routing mode (for example, HDMI
OUT 1, 2, 3 and 8 are ARC-enabled).
The out HDMI ARC-enabled outputs illuminate.
The ARC-enabled inputs flash (for example, 1, 5 and 7 are ARC enabled, 3 is illuminated
therefore not enabled).

VS-88UHD – Operating VS-88UHD via Front Panel Buttons

17

 A flashing input button means that it is ARC-enabled.

On the 7-segment display:

 “.” under an output number (when in D-AUDIO mode) indicates that arc is enabled on

the corresponding output (outputs 1 to 3 and 8 in this example).

 “0” under an output number indicates that the audio output is muted.

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2. Press an ARC-enabled input button (for example IN 5) to select the destination port.
The corresponding 7-segment display LED flashes.

3. Press an output button (for example OUT 8) to select the HDMI audio output that will be
routed to the input.
The flashing 7-segment display LED shows the selected input number and
after selecting the HDMI audio OUT the port number appears (8).

HDMI OUT 8 audio signal is routed to ARC input 5.

Storing and Recalling a Setup

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VS-88UHD can store up to 16 setups. Each setup includes the video and audio current
switching state, the output audio volume and balance, the EDID, the ARC/audio mode, and the
switch mode and speed.

In Store-Recall mode, OUT 1 corresponds to setup 1, IN 1 corresponds to setup 9, and so on.

Figure 9: VS-88UHD 8x8 UHD Matrix Switcher Front Panel

To store a setup:

1. Press STO .
The STO button illuminates.

2. Press an IN or an OUT button (from 1 to 8).
For example, when pressing IN 5, the current device state is stored to setup 13.

3. Press STO.
The current device state is stored to setup 13 and the STO button no longer illuminates.

To recall a setup:

1. Press RCL .
The RCL button illuminates.

2. Press an IN or OUT button to recall the setup stored in that IN/OUT.
The selected button flashes.

VS-88UHD – Operating VS-88UHD via Front Panel Buttons

18

If a setup is stored in the selected setup button, the corresponding 7-segment display LED
flashes. If nothing is stored the 7-segment LED is on.

You need to press RCL within 10 seconds, to apply settings.

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3. Press RCL.
The recalled setup is applied and the RCL button no longer illuminates.

Setting the Switching Mode

Set the following switching modes separately for each output:

 Manual mode (IN 1): inputs are switched to outputs via the front panel buttons.
 Priority mode (IN 2): the VS-88UHD switches the source with the highest priority to the

output.

 Last connected mode (IN 3): the last detected active source is switched to the output.

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To select the switching mode:

1. Press RCL and MUTE/PATTERN simultaneously. Both buttons illuminate.

2. Press an output button (or press ALL).
The corresponding 7-segment display LEDs flash and LOCK button flashes.

3. Press IN 1, IN 2 or IN 3.

4. Press LOCK to save the settings to that output and exit Switching mode.

Setting the Switching Speed

Set the following switching speed modes separately for each output:

 Ex-Fast switch speed (IN 1).
 Fast switch speed (IN 2).
 Normal switch speed (IN 3).

To select the switching speed:

1. Press STO and MUTE/PATTERN simultaneously. Both buttons illuminate.
The 7-segment display LEDs show the current switch speed for each port.

2. Press an output button (or press ALL).
The corresponding 7-segment display LEDs flash and LOCK button flashes.

3. Press IN 1, IN 2 or IN 3.

4. Press LOCK to save the settings and exit Speed mode.

VS-88UHD – Operating VS-88UHD via Front Panel Buttons

19

On the front panel button:

 Both input and output buttons are dark.

On the 7-segment display:

 “d” under an output number indicates that the input port is set to the default EDID.
 “L” under an output number indicates that the EDID was uploaded externally from a

file via Web page.

 A digit under an output number indicates the output from which the EDID was copied.

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Setting HDCP

You can enable or disable HDCP for each of the HDMI inputs.

To set HDCP on or off:

1. Press and hold EDID and RCL until both buttons illuminate.
The IN buttons indicate the HDCP status:

 HDCP enabled (on): IN button is illuminated.
 HDCP disabled (off): IN button is off.

2. Press one or more input buttons to change their status.
The LOCK button flashes.

3. Press LOCK to save changes and exit the HDCP mode.

Copying the EDID

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You can copy the EDID to an input from a connected output or use the default EDID.

To copy the EDID from a connected output:

1. Press and hold EDID and STO until both buttons illuminate.

VS-88UHD enters the EDID mode and the 7-segment display shows the current EDID

status:

2. Press one or more input buttons (or ALL).
The 7-segment display LEDs of the selected inputs flash.

3. Press an output button (with a connected display) from which to copy the EDID.

4. Press EDID.
Wait for about 5 seconds for the device to copy the EDID from the connected display.

VS-88UHD – Operating VS-88UHD via Front Panel Buttons

20

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To copy the default EDID:

1. Press and hold EDID and STO until both buttons illuminate.

VS-88UHD enters the EDID mode and the 7-segment display shows the current EDID

status.

2. Press one or more input buttons (or ALL).
The 7-segment display LEDs of the selected inputs flash.

3. Press a disconnected output button.

4. Press EDID.
Wait for about 5 seconds for the device to copy the default EDID to the selected inputs.

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VS-88UHD – Firmware Upgrade

21

The latest firmware version and the latest version of K-UPLOAD and installation instructions
can be downloaded from the Kramer Web site at

www.kramerav.com/downloads/VS-88UHD.

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Firmware Upgrade

You can upgrade the VS-88UHD via:

 The Ethernet, using embedded Web pages.
 By USB or RS-232 using Kramer K-UPLOAD tool.

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VS-88UHD – Using the Embedded Web Pages

22

OS

Version

Browser

Windows

7

IE

Firefox

Chrome

Safari

10

IE

Edge

Firefox

Chrome

Mac

10.11

Safari

iOS

10.3.2

Safari

Android

N/A

N/A

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Using the Embedded Web Pages

The Web pages let you control the VS-88UHD via the Ethernet. The Web pages include all the
OSD items and more, and are accessed using a Web browser and an Ethernet connection.

Before attempting to connect:

 Perform the procedures described in Connecting VS-88UHD via the ETHERNET Port

on page 8.

 Ensure that your browser is supported.

The following operating systems and Web browsers are supported:

The VS-88UHD Web pages enable performing the following:

 Switching and Setting the Ports on page 24.
 Changing Device Settings and Upgrading the Firmware on page 33.
 Managing Web Page Security on page 34.
 Setting the Timeout on page 37.
 Setting Switching Modes on page 39.
 Setting Step-in Devices on page 41.
 Managing the EDID on page 42.
 Viewing the About Page on page 48.

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VS-88UHD – Using the Embedded Web Pages

23

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To browse the VS-88UHD Web pages:

1. Open your Internet browser.

2. Type the IP address of the device in the address bar of your browser. For example, the
default IP address:

The Authentication window appears (if set, security is enabled):

Figure 10: Using the Embedded Web Pages – the Authentication Window

3. Enter the User Name and Password and click OK.
The Switching page appears:

Figure 11: Switching Page with Navigation List on Left

4. Click the desired Web page or click the arrow to hide the navigation list.

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VS-88UHD – Using the Embedded Web Pages

24

The adjustment sequence presented here is only an example. You can adjust the output
settings in any other order.

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Switching and Setting the Ports

The Switching Web page enables performing the following functions:

 Viewing and Adjusting the Output Settings on page 24.
 Viewing and Adjusting the Input Settings on page 26.
 Switching an input to an output on page 28.
 Switching a Pattern to an Output on page 29.
 Switching Audio in Breakaway Mode on page 30.

Viewing and Adjusting the Output Settings

Each of the VS-88UHD output buttons lets you view and adjust the status of that input/output.

Figure 12: Switching Page – Output Button not selected and Selected

Each output button displays the:

 HDCP status – Output supports HDCP ( ) or does not support HDCP ( ).
 Output status – An acceptor is connected ( ) or not connected ( ) to the output.
 An input number indicating the input switched to the output ( ), for example,

Input 3 is switched to Output 1.

 Edit ( ) button for changing the:

 Output name ( ).

 Switching speed to normal ( ), fast ( ) or extra-fast ( ).

 Video status – Click to change to mute ( ) or unmute ( ).
 Audio-follow-video status – Click to change to AFV ( ) or audio breakaway ( ).

To adjust the output settings:

1. In the Navigation pane, click Switching. The Switching page appears.

2. Select the AFV tab.

VS-88UHD – Using the Embedded Web Pages

25

Setting the AFV mode icons to AFV or Breakaway modes reflects the next switching step
and not the current status.

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3. Click . The output settings window appears:

Figure 13: Switching Page – Editing the Output Button Settings

4. If required, type the label name in the Label text box and click .

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Figure 14: Switching Page – Changing the Output Label

5. Click switch speed dropdown box to set the switching speed (normal, fast or extra-fast).

6. Click to mute or to unmute the video signal.

7. To set the output to:

 AFV mode, click .
 Breakaway mode, click .

indicates that the device is in the auto-switch mode and AFV status cannot be altered.

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VS-88UHD – Using the Embedded Web Pages

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Viewing and Adjusting the Input Settings

Each of the VS-88UHD input buttons lets you view and adjust the status of that input/output.

Figure 15: Switching Page – Input Button Not Selected and Selected

Each input button displays the:

 Input label.
 Input signal HDCP status – supports HDCP ( ) or does not support HDCP ( ).
 HDCP status – HDCP is enabled ( ) or disabled ( ).
 Input status – a source is connected ( ) or not connected ( ) to the input.

Setting Inputs 2, 4, 6 and 8

To adjust input 2, 4, 6 and 8 settings:

1. In the Navigation pane, click Switching. The Switching page appears.

2. Select the AFV tab. Verify that Inputs (and not Patterns) is selected.

3. Click . The input settings window appears:

Figure 16: Switching Page – Input 2 Settings Window

4. If required, type the label name in the Label text box and click .

5. Set HDCP ON or OFF.

Setting Inputs 1, 3, 5 and 7

To adjust input 1, 3, 5 and 7 settings:

1. In the Navigation pane, click Switching. The Switching page appears.

2. Select the AFV tab. Verify that Inputs (and not Patterns) is selected.

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VS-88UHD – Using the Embedded Web Pages

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3. Click . The input settings window appears:

Figure 17: Switching Page – Input 1 Settings Window

4. If required, type the label name in the Label text box and click .

5. Set HDCP ON or OFF.

6. Click ARC to set the input to ARC mode or click Step-in to set input to step-in mode.

7. In ARC mode click the settings button ( ).
The input ARC Settings window appears:

Figure 18: Switching Page – Input ARC Settings Window

8. Select an ARC source for input 1 from HDMI outputs 1 to 8.
The selected port routes its audio signal to HDMI input 1.

VS-88UHD – Using the Embedded Web Pages

28

Check the Outputs box ( ) to select all the outputs. You can then select an input that
will switch to all the outputs.

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Switching an input to an output

To move the image:

1. In the Navigation pane, click Switching. The Switching page appears.

2. Select the AFV tab.

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Figure 19: Switching Page – AFV Tab

3. Click an output button/s or check the Outputs box. The button turns purple.

4. Click an Input button. The input button turns purple.

The selected input is switched to the output.

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VS-88UHD – Using the Embedded Web Pages

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Switching a Pattern to an Output

1. In the Navigation pane, click Switching. The Switching page appears.

2. Select the AFV tab. Verify that Patterns (and not Inputs) is selected.
The list of patterns appears.

3. Select an output button/s or check the Outputs box.

4. Select a pattern.

The selected pattern is switched to the selected output/s (for example, pattern 4 is switched to
outputs 1 and 2).

Figure 20: Switching Page – Switching a Pattern to an Output

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VS-88UHD – Using the Embedded Web Pages

30

The audio breakaway mode is enabled only when Auto Switch Setting is set to Manual mode.

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Switching Audio in Breakaway Mode

In Breakaway mode, the HDMI embedded audio is switched separately from the video signal.

You can switch a digital audio input to a digital audio output independently. If HDMI input port
and HDMI output port ARC mode are enabled, you can switch a selected HDMI output port
ARC to any HDMI input port ARC.

To switch an audio input to an audio output in the Breakaway mode:

1. In the Navigation pane, click Switching. The Switching page appears.

2. Select Audio break away tab.

Figure 21: Switching Page – Breakaway Mode

3. Switch an input to a selected output. For example, switch digital input 6 to
output 5:

 Click an HDMI button (under the Audio Outputs column).

The selected button turns purple with a blue frame .

 Click a Digital Input button.

The selected button turns purple with a blue frame .

Digital Output 5 is switched to D6.

Figure 22: Switching Page – Switching Audio signals in the Breakaway Mode

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To switch ARC to an input:

1. In the Navigation pane, click Switching. The Switching page appears.

2. Select Audio break away tab.

3. Check the ARC check boxes to ARC-enable selected outputs (under the Audio Outputs
column).
For example, Output 2 and 4 are checked, therefore ARC-enabled so they can be
switched as ARC signals.

Figure 23: Switching Page – Output 2 and 4 ARC-Enabled

4. Select AFV tab.

5. Select an ARC-functioning input button (1, 3, 5 or 7).
For example, Input 1.

6. Click on Input 1 and set to ARC mode. This input is now ARC-enabled.

Figure 24: Switching Page – Output 1 Set to ARC Mode

VS-88UHD – Using the Embedded Web Pages

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7. Click and set either Output 2 or Output 4 to set them as an ARC to Input 1.

Figure 25: Switching Page – Routing Output 2 ARC to Input 1

Output 2 ARC is routed to Input 1.

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VS-88UHD – Using the Embedded Web Pages

33

Note that:

 After changing the IP number, reload the Web page with the new IP address.
 After changing the Subnet mask you need to turn the VS-88UHD power off and then on

again.

 If DHCP is checked, reload the Web page with the new IP address.

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Changing Device Settings and Upgrading the Firmware

The Device Settings Web page shows the device details, such as name, MAC address and
firmware version and also enables performing the following functions:

 Changing the Ethernet Settings on page 33.
 Performing a Factory Reset on page 34.
 Performing Firmware Upgrade on page 34.

Changing the Ethernet Settings

To change the Ethernet settings:

1. In the Navigation pane, click Device Settings. The Device Settings page appears:

Figure 26: Device Settings Page

2. Uncheck/check the DHCP check box.

3. If DHCP is unchecked, change any of the parameters (IP Address, Netmask and/or
Gateway).

4 . Click Save Changes.

VS-88UHD – Using the Embedded Web Pages

34

Do not power off your device while you are uploading a file to prevent the damage of the file.

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Performing a Factory Reset

To reset the device to its factory default values:

1. In the Navigation pane, click Device Settings. The Device Settings page appears
(Figure 26).

2. Click Reset. The following window appears:

Figure 27: Device Settings Page – Factory Reset

3. Click OK to start factory reset and follow the instructions on-screen.

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Performing Firmware Upgrade

To perform firmware upgrade:

1. In the Navigation pane, click Device Settings. The Device Settings page appears
(Figure 26).

2. Click BROWSE and select the new firmware file.

3. Click START UPGRADE and follow the instructions on-screen.

Managing Web Page Security

Use the Security page to set Web access permission:

Setting Web Page Access Permission

To define access to the Web pages, in the Navigation pane, click Password Settings. The
Password Settings page appears displaying the current status (password protected or free
access).

VS-88UHD – Using the Embedded Web Pages

35

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To access Web pages without using the password:

1. Check the current security settings.

Figure 28: Password Settings Page – Password Protected

The Security icon (on the top right-side of the page) is unlocked:

Figure 29: Password Settings Page – Security is Off

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2. Set Activate Security to OFF.

The following message appears:

Figure 30: Password Settings Page – Deactivating the Security

3. Click OK.
The Web page reloads.

To access Web pages using the password:

1. Check the current security status.

Figure 31: Password Settings Page – Security Deactivated

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2. Set Activate Security to ON for Web page password protection. The following message
appears:

Figure 32: Password Settings Page – Security Activation Message

3. Click OK.
The connection is interrupted and authentication is required to access Web pages.

Figure 33: Password Settings Page – Security Log In

4. Type the User Name (Admin, by default) and Password (left empty by default).

Figure 34: Password Settings Page – Password Protection

5. Click Log In.

VS-88UHD – Using the Embedded Web Pages

37

Always set the 5V cut-off (Disable 5V) time delay to be longer than the video signal loss timer
delay.

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6. Select Password Settings from the Navigation panel.

Figure 35: Password Settings Page – Setting the Admin Password

7. Type the new Admin password twice in both Admin password text boxes.

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Figure 36: Password Settings Page – Entering the Admin Password

8. Click . The following message appears:

Figure 37: Password Settings Page – Password Warning

9. Click OK.
The page is reloaded and can be accessed by entering the password.
The top right side of the Web page displays the security icon locked.

Setting the Timeout

Use the Timeout Settings Web page to set the time delay to shut down if no input signal is
detected for each output and also to set the auto switching time.

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VS-88UHD – Using the Embedded Web Pages

38

If you do not want a specific output to shut down if an input signal is not detected, check the

Never box next to the desired output.

Support audio only can be used if the video and audio signals routed to an output, come

from separate sources.
If Support audio only is set to:

 ON – The audio signal routed to the output remains active when the video source

(coming from a different input) is deactivated.

 OFF – The audio signal routed to the output is deactivated together with the

deactivation of the video source (coming from a different input).

The adjustment sequence presented here is only an example. You can adjust the output
settings in any other order.

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To set the timeout:

1. In the Navigation pane, click Timeout Settings. The Timeout Settings page appears.

Figure 38: Timeout Settings Page

2. Set the specific output delay time.

3. Set audio support ON if you want shutdown to occur only if an audio signal is lost.

To set the video lost timer (when in auto-switching mode):

1. In the Navigation pane, click Timeout Settings. The Timeout Settings page appears.

2. Set the video lost timer.

VS-88UHD – Using the Embedded Web Pages

39

If the video is lost when in the auto switching mode (Priority or Last connected) you can set
the time the device waits before it switches to the next source.

Setting to priority or last connected mode forces VS-88UHD to operate in AFV mode.

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Setting Switching Modes

Use the Auto Switch Settings page to set the switching mode per output.

To set the switching mode:

1. In the Navigation pane, click Auto Switch Settings. The Auto Switch Settings page
appears.

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Figure 39: Auto Switch Settings Page

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2. Select an output and set the switching mode to Manual, Priority or Last connected:

 In the Manual mode (see Figure 39), the outputs are switched manually to the

selected output.

 In the Priority mode, drag and drop the inputs from the highest to the lowest priority.

The inputs are then switched according to the set priority to the selected output:

Figure 40: Auto Switch Settings Page – Setting the switching Priority

 In the Last connected mode, select the inputs that are included in the last connected

scan that will be switched to the selected output:

Figure 41: Auto Switch Settings Page – Last Connected Mode

VS-88UHD – Using the Embedded Web Pages

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Setting Step-in Devices

Use the Step-In Settings page to manage Step-in devices (for example Kramer DIP-30).

If a step-in device is not connected to VS-88UHD, the following page appears:

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Figure 42: Step-In Settings Page (Step-in Device is not Connected)

To manage a step-in device:

1. Connect the HDMI output of a step-in device (for example DIP-30) to an HDMI input on
the VS-88UHD.

2. In the Navigation pane, click Step-in Settings. The Step-in Settings page appears and
the input button/s to which the step-in device/s is connected turn/s white.

Figure 43: Step-In Settings Page – Displaying Step-In Inputs

VS-88UHD – Using the Embedded Web Pages

42

You can also press an input button on the DIP-30. The selected input will be displayed on the
Web page.

Any time the output Step-in configuration changes, press the STEP-IN button on the Step-In
device to update the configuration.

Selecting Echo sends an instruction via VS-88UHD RS-232 port.

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3. Click an active step-in input (button 2 in this example).
The selected input button turns purple, the DIP-30 Inputs list and the VS-88UHD outputs
to which the DIP-30 input is routed are displayed.

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Figure 44: Step-In Settings Page – Step In Selected

4. Select a DIP-30 input (HDMI IN 1, HDMI IN 2 or VGA).
The respective button on DIP-30 illuminates.

5. Check the outputs to which the inputs will be routed.

6. Press the STEP-IN button on DIP-30.
The selected step-in button is routed to all the checked outputs.

Managing the EDID

The EDID Management page lets you read the EDID from:

 Any of the outputs,
 The default EDID
 Any of the inputs,
 A file in your PC (Browse).

The selected EDID can be copied to the selected input/s.

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VS-88UHD – Using the Embedded Web Pages

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To copy an EDID from an output to an input:

1. In the Navigation pane, click EDID Management. The EDID Management page appears.

Figure 45: EDID Management Page – Select an EDID Source

VS-88UHD – Using the Embedded Web Pages

44

When reading from an output, make sure that the output is connected to an acceptor.

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2. Select the EDID source: a connected output.

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Figure 46: EDID Management Page – Select an EDID output

VS-88UHD – Using the Embedded Web Pages

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3. Select an input (or all the inputs) to which the EDID is copied.

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Figure 47: EDID Management Page – Select an Input

4. Click COPY.
The EDID message appears.

Figure 48: EDID Page –EDID Copy Message

5. Click OK. The following message appears:

Figure 49: EDID Management Page – Loading the EDID from Output to Input

6. Click OK.

To read the EDID from the default EDID:

1. In the Navigation pane, click EDID Management. The EDID Management page appears.

2. Click DEFAULT.

3. Click OK and follow the instructions on-screen.

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VS-88UHD – Using the Embedded Web Pages

46

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To read the EDID from an input to another input/s:

1. In the Navigation pane, click EDID Management. The EDID Management page appears.

2. Select an input from the list (on the left).

3. If required, check the options under Inputs Capabilities.

Figure 50: EDID Management Page – Loading the EDID from input to Input

4. Click COPY and follow the instructions on-screen.
The EDID is loaded to the selected inputs.

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VS-88UHD – Using the Embedded Web Pages

47

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To read the EDID from a file:

1. In the Navigation pane, click EDID Management. The EDID Management page appears.

2. Click File BROWSE and open the EDID file.

Figure 51: EDID Management Page – EDID Selected from a File

3. Select an input/s

Figure 52: EDID Management Page – Loading the EDID from a File to the Input

VS-88UHD – Using the Embedded Web Pages

48

When viewing the 7-segment display in the EDID mode, the input with EDID read from a file
will display “L”

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4. Click UPLOAD. The following message appears:

Figure 53: EDID Management Page – EDID Message

5. Click OK.

6. Follow the instructions on-screen.

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Viewing the About Page

The VS-88UHD About page lets you view the Web page version and Kramer Electronics Ltd
details.

Figure 54: About Page

VS-88UHD – Technical Specifications

49

Inputs

8 HDMI

On female HDMI connectors

Outputs

8 HDMI

On female HDMI connectors

Ports

1 USB

On a female USB-A connector

1 RS-232

On a 3-pin terminal block for serial link
extension

1 Ethernet

On an RJ-45 female connector for device
control

1 USB

On a female USB-A connector for powering
another device

Video

Max. Resolution

4K@60Hz (4:2:0) and 4K@30Hz (4:4:4)

Compliance

Supports HDMI 1.4 and HDCP 1.4

Control

Front Panel
Front panel buttons

7-segment display

Power

Consumption

50VA

Source

100-240V AC, 50/60Hz

Regulatory Compliance

Safety

CE, UL

Environmental

RoHs, WEEE

Environmental
Conditions

Operating Temperature

0° to +40°C (32° to 104°F)

Storage Temperature

-40° to +70°C (-40° to 158°F)

Humidity

10% to 90%, RH non-condensing

General

Net Dimensions (W, D, H)

19", 9.3", 1U, rack mountable

Shipping Dimensions (W, D, H)

52.5cm x 33cm x 10.7cm
(20.7” x 13” x 4.2”)

Net Weight

2.6kg (5.73lbs) approx.

Shipping Weight

3.6 kg (7.9lbs) approx.

Accessories

Included

Rack ears, power cord

Specifications are subject to change without notice at www.kramerav.com

RS-232/Ethernet

Baud Rate:

115,200

Parity:

None

Data Bits:

8

Command Format:

ASCII Protocol 3000

Stop Bits:

1

Example (Route input 1 to output 1):

#VID1> 1<cr>

Ethernet Parameters

IP Address:

192.168.1.39

Default TCP Port #:

5000

Subnet Mask:

255.255.0.0

Default UDP Port #:

50000

Default Gateway:

192.168.0.1

Number of TCP ports:

8

Number of web clients:

5

Full Factory Reset

Front Panel Buttons:

Power off the device, press and hold the LOCK, EDID and STO buttons simultaneously for
about 3 seconds while powering the device, and then release. Until all front panel buttons
illuminate

Protocol 3000:

“#factory” command.

Web Pages:

In the Device Settings page, click Reset.

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Technical Specifications

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Default Communication Parameters

VS-88UHD – Technical Specifications

50

Parameter

Value

Protocol:

K3000

K3000 Model Name:

V', 'S', '-', '8', '8', 'U', 'H', 'D' ''

K3000 Serial Number:

00000000000000

Model name and serial number will not change back to the default status after a factory
reset.

TCP/IP address:

192.168.1.39

TCP/IP port:

5000

UDP port:

50000

Mask number:

255.255.0.0

Gateway number:

192.168.0.1

DHCP enable:

Disable(OFF)

EDID status:

Default, all input ports use the default EDID data.

Input port HDCP:

All ON, support HDCP.

Step-In button setting:

Default, all the output checked for an input.

Video status:

Output 1 to 8 route to input 1 to 8 separately.

All setups:

All empty. No preset status.

EDID data:

All input ports use the default EDID data.

V-mute:

Open the video.

Mute:

Open the audio.

Switch mode:

Manual.

Switch speed:

Ex-fast switch.

ARC or de-embedded:

De-embedded.

Video Priority settings

Lower input index has higher priority.

Auto Switching mode

Priority: Priority order is Highest for 1 and lowest for 8

Auto Switching settings

All video inputs are routed to each of the video outputs

Default switching mode - manual/auto

Manual, IN1 to OUT1,etcc for 2,3,4

Default EDID

Kramer default EDID with "monitor name"=
"VS-88UHD"

HDCP mode

ENABLED

Video Signal loss timeout (no 5V)

0

Video Signal loss timeout (5V is on)

10 sec

New video signal gain timeout

0

Audio Signal loss timeout (no 5V)

0

Audio Signal loss timeout (5V is on)

5 sec

New audio signal gain timeout

0

Output inactivity timeout

15 min

Apply switch mode configuration on
startup

10

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Default Parameters

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VS-88UHD – Protocol 3000

51

The framing of the command varies according to the terminal communication software.

.

All the examples provided in this section are based on using the K-Config software.

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Protocol 3000

The VS-88UHD 8x8 UHD Matrix Switcher can be operated using the Kramer Protocol 3000
serial commands. The command framing varies according to how you interface with the

VS-88UHD.

Generally, a basic video input switching command that routes a layer 1 video signal to HDMI
out 1 from HDMI input 2 (ROUTE 1,1,2), is entered as follows:

 Terminal communication software, such as Hercules:

 K-Touch Builder (Kramer software):

 K-Config (Kramer configuration software):

You can enter commands directly using terminal communication software (e.g., Hercules) by
connecting a PC to the serial or Ethernet port on the VS-88UHD. To enter CR press the Enter
key (LF is also sent but is ignored by the command parser).

Commands sent from various non-Kramer controllers (e.g., Crestron) may require special
coding for some characters (such as, /X##). For more information, refer to your controller’s
documentation.

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VS-88UHD – Protocol 3000

52

A string can contain more than one command. Commands are separated by a pipe (|)
character.

Spaces between parameters or command terms are ignored. Commands in the string do not
execute until the closing character is entered. A separate response is sent for every
command in the chain.

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For more information about Protocol 3000 commands, see:

 Understanding Protocol 3000 on page 52.
 Kramer Protocol 3000 Syntax on page 53.
 Protocol 3000 Commands on page 54.

Understanding Protocol 3000

Protocol 3000 commands are structured according to the following:

 Command – A sequence of ASCII letters (A-Z, a-z and -). A command and its parameters

must be separated by at least one space.

 Parameters – A sequence of alphanumeric ASCII characters (0-9, A-Z, a-z and some

special characters for specific commands). Parameters are separated by commas.

 Message string – Every command entered as part of a message string begins with a

message starting character and ends with a message closing character.

 Message starting character:

 # – For host command/query

 ~ – For device response

 Device address – K-NET Device ID followed by @ (optional, K-NET only)
 Query sign – ? follows some commands to define a query request
 Message closing character:

 CR – Carriage return for host messages (ASCII 13)
 CR LF – Carriage return for device messages (ASCII 13) and line-feed (ASCII 10)

 Command chain separator character – Multiple commands can be chained in the same

string. Each command is delimited by a pipe character (|). When chaining commands,
enter the message starting character and the message closing character only at the
beginning and end of the string.

Kramer Electronics Ltd.

VS-88UHD – Protocol 3000

53

Start

Address
(optional)

Body

Delimiter

#

Device_id@

Message

CR

Start

Body

Delimiter

#

Command SP

Parameter_1,Parameter_2,…

CR

Start

Address

Body

Delimiter

#

Device_id@

Command_1

Parameter1_1,Parameter1_2,…|

Command_2

Parameter2_1,Parameter2_2,…|

Command_3
Parameter3_1,Parameter3_2,…|…

CR

Start

Address
(optional)

Body

Delimiter

~

Device_id@

Message

CR LF

Start

Address
(optional)

Body

Delimiter

~

Device_id@

Command SP [Param1 ,Param2 …] result

CR LF

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Kramer Protocol 3000 Syntax

The Kramer Protocol 3000 syntax uses the following delimiters:

 CR = Carriage return (ASCII 13 = 0x0D)
 LF = Line feed (ASCII 10 = 0x0A)
 SP = Space (ASCII 32 = 0x20)

Some commands have short name syntax in addition to long name syntax to enable faster
typing. The response is always in long syntax.

The Protocol 3000 syntax is in the following format:

 Host Message Format:

 Simple Command – Command string with only one command without addressing:

 Command String – Formal syntax with command concatenation and addressing:

 Device Message Format:

 Device Long Response – Echoing command:

VS-88UHD – Protocol 3000

54

Command

Description

#

Protocol handshaking (system mandatory)

BUILD-DATE

Get device build date (system mandatory)

FACTORY

Reset to factory default configuration

HELP

Get command list (system mandatory)

MODEL?

Get device model (system mandatory)

PROT-VER?

Get device protocol version (system mandatory)

RESET

Reset device (system mandatory)

SN?

Get device serial number (system mandatory)

VERSION?

Read device firmware version

IDV

Set visual indication from device

LOCK-FP

Lock/get front panel

NAME

Set/get machine (DNS) name

NAME-RST

Reset machine name to factory default (DNS)

Functions

Permission

Transparency

Set:

#

End User

Public

Get:

- - -

Description

Syntax

Set:

Protocol handshaking

#CR

Get:

-

-

Response

~nn@SPOKCR LF

Notes

Validates the Protocol 3000 connection and gets the machine number.
Step-in master products use this command to identify the availability of a device.

K-Config Example

“#”,0x0D

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Protocol 3000 Commands

This section includes the following commands:

 Common Commands on page 54.
 System Commands on page 59.
 Authentication Commands on page 64.
 EDID Handling Commands on page 66.
 Switch Commands on page 67.
 Switching Commands on page 70.
 Communication Commands on page 72.

Common Commands

Kramer Electronics Ltd.

#

VS-88UHD – Protocol 3000

55

Functions

Permission

Transparency

Set:

-

-

-

Get:

BUILD-DATE?

End User

Public

Description

Syntax

Set:

-

-

Get:

Get device build date

#BUILD-DATE?CR

Response

~nn@BUILD-DATESPdateSPtimeCR LF

Parameters

date – Format: YYYY/MM/DD where YYYY = Year, MM = Month, DD = Day
time – Format: hh:mm:ss where hh = hours, mm = minutes, ss = seconds

K-Config Example

“#BUILD-DATE?”,0x0D

Functions

Permission

Transparency

Set:

FACTORY

End User

Public

Get:

- - -

Description

Syntax

Set:

Reset device to factory default configuration

#FACTORYCR

Get: - -

Response

~nn@FACTORYSPOKCR LF

Notes

This command deletes all user data from the device. The deletion can take some time.
Your device may require powering off and powering on for the changes to take effect.

K-Config Example

“#FACTORY”,0x0D

Functions

Permission

Transparency

Set:

-

-

-

Get:

HELP

End User

Public

Description

Syntax

Set:

-

-

Get:

Get command list or help for specific
command

#HELPCR

Response

Multi-line:~nn@Device available protocol 3000 commands:CR LFcommand,SP
command...CR LF

Parameters

COMMAND_NAME – name of a specific command

Notes

To get help for a specific command use: HELPSPCOMMAND_NAMECR LF

K-Config Example

“#HELP”,0x0D

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BUILD-DATE

FACTORY

Kramer Electronics Ltd.

HELP

VS-88UHD – Protocol 3000

56

Functions

Permission

Transparency

Set:

-

-

-

Get:

MODEL?

End User

Public

Description

Syntax

Set:

- - Get:

Get device model

#MODEL?CR

Response

~nn@MODELSPmodel_nameCR LF

Parameters

model_name – String of up to 19 printable ASCII chars

Notes

This command identifies equipment connected to Step-in master products and notifies of identity changes
to the connected equipment. The Matrix saves this data in memory to answer REMOTE-INFO requests.

K-Config Example

“#MODEL?”,0x0D

Functions

Permission

Transparency

Set: - -

-

Get:

PROT-VER?

End User

Public

Description

Syntax

Set:

-

-

Get:

Get device protocol version

#PROT-VER?CR

Response

~nn@PROT-VERSP3000:versionCR LF

Parameters

version - XX.XX where X is a decimal digit

K-Config Example

“#PROT-VER?”,0x0D

Functions

Permission

Transparency

Set:

RESET

Administrator

Public

Get:

-

-

-

Description

Syntax

Set:

Reset device

#RESETCR

Get: - -

Response

~nn@RESETSPOKCR LF

Notes

To avoid locking the port due to a USB bug in Windows, disconnect USB connections immediately after
running this command. If the port was locked, disconnect and reconnect the cable to reopen the port.

K-Config Example

“#RESET”,0x0D

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MODEL

PROT-VER

Kramer Electronics Ltd.

RESET

VS-88UHD – Protocol 3000

57

Functions

Permission

Transparency

Set:

-

-

-

Get:

SN?

End User

Public

Description

Syntax

Set:

-

-

Get:

Get device serial number

#SN?CR

Response

~nn@SNSPserial_numberCR LF

Parameters

serial_number – 11 decimal digits, factory assigned

Notes

This device has a 14 digit serial number, only the last 11 digits are displayed.

K-Config Example

“#SN?”,0x0D

Functions

Permission

Transparency

Set:

-

- - Get:

VERSION?

End User

Public

Description

Syntax

Set:

-

-

Get:

Get firmware version number

#VERSION?CR

Response

~nn@VERSIONSPfirmware_versionCR LF

Parameters

firmware_version – XX.XX.XXXX where the digit groups are: major.minor.build version

K-Config Example

“#VERSION?”,0x0D

Functions

Permission

Transparency

Set:

IDV

End User

Public

Get:

- - -

Description

Syntax

Set:

Set visual indication from device

#IDVCR

Get:

-

-

Response

~nn@IDVSPOKCR LF

Notes

Using this command, some devices can light a sequence of buttons or LEDs to allow identification of a
specific device from similar devices.

K-Config Example

“#IDV”,0x0D

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SN?

VERSION?

Kramer Electronics Ltd.

IDV

VS-88UHD – Protocol 3000

58

Functions

Permission

Transparency

Set:

LOCK-FP

End User

Public

Get

LOCK-FP?

End User

Public

Description

Syntax

Set:

Lock front panel

#LOCK-FPSPlock_modeCR

Get:

Get front panel lock state

#LOCK-FP?

Response

~nn@LOCK-FPSPlock_modeSPOKCR LF

Parameters

lock_mode – 0 (Off, unlock the front panel buttons), 1 (On, lock the front panel buttons)

K-Config Example

Unlock front panel:
“#LOCK-FP 0”,0x0D

Functions

Permission

Transparency

Set:

NAME

Administrator

Public

Get:

NAME?

End User

Public

Description

Syntax

Set:

Set machine (DNS) name

#NAMESPmachine_nameCR

Get:

Get machine (DNS) name

#NAME?CR

Response

Set: ~nn@NAMESPmachine_nameCR LF
Get: ~nn@NAMESPmachine_nameCR LF

Parameters

machine_name – String of up to 14 alpha-numeric characters (can include hyphens but not at the beginning
or end)

Notes

The machine name is not the same as the model name. The machine name is used to identify a specific
machine or a network in use (with DNS feature on).

K-Config Example

Set the DNS name of the device to “room-442”:

“#NAME room-442”,0x0D

Functions

Permission

Transparency

Set:

NAME-RST

Administrator

Public

Get:

- - -

Description

Syntax

Set:

Reset machine (DNS) name to
factory default

#NAME-RSTCR
Get:

-

-

Response

~nn@NAME-RSTSPOKCR LF

Notes

Factory default of machine (DNS) name is “KRAMER_” + 4 last digits of device serial number

K-Config Example

Reset the machine name (S/N last digits are 0102):

“#NAME-RST KRAMER_0102”,0x0D

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LOCK-FP

NAME

Kramer Electronics Ltd.

NAME-RST

VS-88UHD – Protocol 3000

59

Command

Description

SIGNAL

Get input signal lock status

PRST-VID?

Get video connections from saved preset

PRST-STO

Store current connections to preset

PRST-RCL

Recall saved preset list

PRST-LST

Get saved preset list

BAUD

Set/get protocol serial port baud rate

HDCP-STAT?

Get HDCP signal status

HDCP-MOD

Set/get HDCP mode

FPGA-VER?

Get current FPGA version

Functions

Permission

Transparency

Set:

- - -

Get

SIGNAL?

End User

Public

Description

Syntax

Set: - -

Get:

Get input signal lock status

#SIGNAL?SPinp_idCR

Response

~nn@SIGNALSPinp_id,statusCR LF

Parameters

inp_id – input number: 1 (Input)
status – signal status according to signal validation: 0 (Off), 1 (On)

Response Triggers

After execution, a response is sent to the com port from which the Get was received
A response is sent after every change in input signal status from On to Off or from Off to On

K-Config Example

Get the input signal lock status of IN 1:

“#SIGNAL? 1”,0x0D

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System Commands

SIGNAL

Kramer Electronics Ltd.

VS-88UHD – Protocol 3000

60

Functions

Permission

Transparency

Set:

- - -

Get:

PRST-VID?

End User

Public

Description

Syntax

Set:

-

-

Get:

Get video connections from saved preset

#PRST-VID?SPpreset,outCR
#PRST-VID?SPpreset,*CR

Response

~nn@PRST-VIDSPpreset,in>outCR LF
~nn@PRST-VIDSPpreset,in>1,in>2,in>3,…CR LF

Parameters

preset – preset number
in – input number or '0' if output disconnected
> – connection character between in and out parameters
out - output number or '*' for all outputs

Notes

In most units, video and audio presets with the same number are stored and recalled together by
commands #PRST-STO and #PRST-RCL.

Examples

Store current audio and video connections,
volumes and modes to preset 5

#PRST-STO 5CR

~PRST-STO 5CR LF

Recall audio and video connections from preset 3

#PRCL 3CR

~PRST-RCL 3CR LF

Show source of video output 2 from preset 3

#PRST-VID? 3,2CR

~PRST-VID 3, 4>2CR LF

K-Config Example

Get video connections from preset 3 for all outputs:

“#PRST-VID? 3,*”,0x0D

Functions

Permission

Transparency

Set:

PRST-STO

End User

Public

Get - -

-

Description

Syntax

Set:

Store current
connections, volumes
and modes in preset

#PRST-STOSPpresetCR

Get:

-

-

Response

~nn @PRST-STOSPpresetCR LF

Parameters

preset – preset number: 1(OUT 1)… 8(OUT 8); 9(IN 1)…16(IN 8)

K-Config Example

Store preset 1:
“#PRST-STO 1”,0x0D

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PRST-VID?

Kramer Electronics Ltd.

PRST-STO

VS-88UHD – Protocol 3000

61

Functions

Permission

Transparency

Set:

PRST-RCL

End User

Public

Get - -

-

Description

Syntax

Set:

Recall saved preset list

#PRST-RCLSPpresetCR

Get:

-

-

Response

~nn@PRST-RCLSPpresetCR LF

Parameters

preset – preset number: 1(OUT 1)… 8(OUT 8); 9(IN 1)…16(IN 8)

K-Config Example

Recall preset 1:
“#PRST-RCL 1”,0x0D

Functions

Permission

Transparency

Set:

-

Get

PRST-LST?

End User

Public

Description

Syntax

Set:

-

-

Get:

Recall saved preset list

#PRST-LST?CR

Response

~nn@PRST-LSTSPpreset,preset,...CR LF

Parameters

preset – preset number

Notes

In most units, video and audio presets with the same number are stored and recalled together by
commands #PRST-STO and #PRST-RCL

K-Config Example

Show preset list:
“#PRST-LST?”,0x0D

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PRST-RCL

PRST-LST

Kramer Electronics Ltd.

VS-88UHD – Protocol 3000

62

Functions

Permission

Transparency

Set:

BAUD

Administrator

Public

Get:

BAUD?

Administrator

Public

Description

Syntax

Set:

Set protocol serial port baud rate

#BAUDSPbaud_rateCR

Get:

Get protocol serial port baud rate
(for current baud rate)

#BAUD?CR

Response

~nn@BAUDSPbaud_rateCR LF
~nn@BAUDSPcurrent_baud_rateCR LF

Parameters

baud_rate – 9600, 115200, else (new baud rate to set)
current_baud_rate – 9600, 115200, else (current protocol serial port baud rate)

Notes

The new defined baud rate is stored in the EEPROM and used when powering up
Default baud rate is 115200 (on factory reset).
Only works with devices supporting this command (if ERR 002 is returned, the default baud rate is used).

K-Config Example

Set the baud rate to 9600:

“#BAUD 9600”,0x0D

Functions

Permission

Transparency

Set:

- - -

Get

HDCP-STAT?

End User

Public

Description

Syntax

Set:

None

-

Get:

Get HDCP signal status

#HDCP-STAT?SPstage,stage_idCR

Response

~nn@HDCP-STATSPstage,stage_id,statusCR LF

Parameters

stage – 0 (input), 1 (output)
stage_id – for input stage: 1 (IN 1), 2 (IN 2), 3 (IN 3), 4 (IN 4), 5 (IN 5), 6 (IN 6), 7 (IN 7), 8 (IN 8), 0

(output disconnected), for output stage 1 (OUT 1), 2 (OUT 2), 3 (OUT 3), 4 (OUT 4), 5 (OUT 5), 6 (OUT 6),
7 (OUT 7), 8 (OUT 8), * (all outputs)

status – signal encryption On/Off status: 0 (HDCP Off), 1 (HDCP On), 2 (Follow input), 3 (Mirror output

(Mac mode))

Response Triggers

Response is sent to the com port from which the Set (before execution) / Get command was received
Response is sent to all com ports after execution if HDCP-STAT was set by any other external control device
(button press, device menu and similar) or HDCP mode changed.

Notes

On output – sink status.
On input – signal status.

K-Config Example

Get the output HDCP-STATUS of IN 1 (HDCP Off):

“#HDCP-STAT? 0,1”,0x0D

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BAUD

Kramer Electronics Ltd.

HDCP-STAT

VS-88UHD – Protocol 3000

63

Functions

Permission

Transparency

Set:

HDCP-MOD

Administrator

Public

Get

HDCP-MOD?

End User

Public

Description

Syntax

Set:

Set HDCP mode

#HDCP-MODSPinp_id,modeCR

Get:

Get HDCP mode

#HDCP-MOD?SPinp_idCR

Response

Set/get: ~nn@HDCP-MODSPinp_id,modeCR LF

Parameters

inp_id – input number: 1 (IN 1), 2 (IN 2), 3 (IN 3), 4 (IN 4), 5 (IN 5), 6 (IN 6), 7 (IN 7), 8 (IN 8)
mode – HDCP mode: 0 (HDCP Off), 1 (HDCP On)

Response Triggers

Response is sent to the com port from which the Set (before execution) / Get command was received
Response is sent to all com ports after execution if HDCP-MOD was set by any other external control device
(button press, device menu and similar) or HDCP mode changed.

Notes

Set HDCP working mode on the device input:

 HDCP supported – HDCP_ON (default)
 HDCP not supported – HDCP OFF

HDCP supports changes following a detected sink - MIRROR OUTPUT

K-Config Example

Get the input HDCP-MODE of IN 1 (HDCP Off):

“#HDCP-MOD? 1,0”,0x0D

Functions

Permission

Transparency

Set:

- - -

Get

FPGA-VER?

End User

Public

Description

Syntax

Set:

-

-

Get:

Get current FPGA version

#FPGA-VER?SPidCR

Response

~nn@FPGA-VERSPid,expected_ver,actual_verCR LF

Parameters

id – FPGA ID
expected_ver – expected FPGA version for current firmware
actual_ver – actual FPGA version

K-Config Example

Get current FPGA version (1):

“#FPGA-VER? 1”,0x0D

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HDCP-MOD

Kramer Electronics Ltd.

FPGA-VER

VS-88UHD – Protocol 3000

64

Command

Description

LOGIN

Set/get protocol permission

LOGOUT

Cancel current permission level

PASS

Set/get password for login level

SECUR

Set/get current security state

Functions

Permission

Transparency

Set:

LOGIN

Not Secure

Public

Get:

LOGIN?

Not Secure

Public

Description

Syntax

Set:

Set protocol permission

#LOGINSPlogin_level,passwordCR

Get:

Get current protocol permission level

#LOGIN?CR

Response

Set: ~nn@LOGINSPlogin_level,passwordSPOKCR LF
or
~nn@LOGINSPERRSP004CR LF (if bad password entered)
Get: ~nn@LOGINSPlogin_levelCR LF

Parameters

login_level – level of permissions required: User, Admin
password – predefined password (by PASS command). Default password is an empty string

Notes

When the permission system is enabled, LOGIN enables running commands with the User or Administrator
permission level.
When set, login must be performed upon each connection.
The permission system works only if security is enabled with the SECUR command. It is not mandatory to
enable the permission system in order to use the device.

K-Config Example

Set the protocol permission level to Admin (when the password defined in the PASS command is 33333):
“#LOGIN Admin,33333”,0x0D

Functions

Permission

Transparency

Set:

LOGOUT

Not Secure

Public

Get:

-

-

-

Description

Syntax

Set:

Cancel current permission level

#LOGOUTCR

Get:

-

-

Response

~nn@LOGOUTSPOKCR LF

Notes

Logs out from User or Administrator permission levels.

K-Config Example

“#LOGOUT”,0x0D

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Authentication Commands

LOGIN

Kramer Electronics Ltd.

LOGOUT

VS-88UHD – Protocol 3000

65

Functions

Permission

Transparency

Set:

PASS

Administrator

Public

Get:

PASS?

Administrator

Public

Description

Syntax

Set:

Set password for login level

#PASSSPlogin_level,passwordCR

Get:

Get password for login level

#PASS?SPlogin_levelCR

Response

~nn@PASSSPlogin_level,passwordCR LF

Parameters

login_level – level of login to set: User, Admin
password – password for the login_level. Up to 15 printable ASCII chars.

Notes

The default password is an empty string.

K-Config Example

Set the password for the Admin protocol permission level to 33333:
“#PASS Admin,33333”,0x0D

Functions

Permission

Transparency

Set:

SECUR

Administrator

Public

Get:

SECUR?

Not Secure

Public

Description

Syntax

Set:

Start/stop security

#SECURSPsecurity_modeCR

Get:

Get current security state

#SECUR?CR

Response

~nn@SECURSPsecurity_modeCR LF

Parameters

security_mode – 1 (On / enable security), 0 (Off / disable security)

Notes

The permission system works only if security is enabled with the SECUR command.

K-Config Example

Enable the permission system:
“#SECUR 0”,0x0D

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PASS

Kramer Electronics Ltd.

SECUR

VS-88UHD – Protocol 3000

66

Command

Description

CPEDID

Copy EDID data from the output to the input EEPROM

Functions

Permission

Transparency

Set:

CPEDID

End User

Public

Get:

- - -

Description

Syntax

Set:

Copy EDID data from the output
to the input EEPROM

#CPEDIDSPsrc_type,src_id,dst_type,dest_bitmapCR

Get: - -

Response

~nn@CPEDIDSPsrc_type,src_id,dst_type,dest_bitmapCR LF

Parameters

src_type – EDID source type (usually output): 0 (Input), 1 (Output), 2 (Default EDID)
src_id – for input source: 1 (Input), for output source: 0 (Default EDID source), 1 (Output 1), 2 (Output 2)
dst_type – EDID destination type (usually input): 0 (input)
dest_bitmap – bitmap representing destination IDs. Format: XXXX…X, where X is hex digit. The binary

form of every hex digit represents corresponding destinations. Setting ‘1’ indicates that EDID data is copied
to this destination. Setting ‘0’ indicates that EDID data is not copied to this destination.

Response Triggers

Response is sent to the com port from which the Set was received (before execution)

Notes

Destination bitmap size depends on device properties (for 64 inputs it is a 64-bit word)
Example: bitmap 0x0013 means inputs 1, 2 and 5 are loaded with the new EDID.
In this device, if the destination type is input (0), the bitmap size is 8 bit, for example bitmap 0x81 means the
inputs 1 and 8 are loaded with the new EDID.

K-Config Example

Copy the EDID data from the Output 1 (EDID source) to the Input:

“#CPEDID 1,1,0,0x1”,0x0D

Copy the EDID data from the default EDID source to the Input:

“#CPEDID 2,0,0,0x1”,0x0D

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EDID Handling Commands

Additional EDID data functions can be performed via a compatible EDID management
application, such as Kramer EDID Designer (see

www.kramerav.com/product/EDID%20Designer).

CPEDID

Kramer Electronics Ltd.

VS-88UHD – Protocol 3000

67

Command

Description

AV

Switch audio and video

VID

Set video switch state

AUD

Switch audio only

DISPLAY?

Read if output is valid

INFO-IO?

Get number of inputs/outputs in the unit

INFO-PRST

Get maximum number of video/audio presets in the unit

PRST-AUD?

Get audio connections from saved preset

Functions

Permission

Transparency

Set:

AV

End User

Public

Get:

- - -

Description

Syntax

Set:

Switch audio and video

#AVSP in>out, in>out,…CR

Get:

-

-

Response

~nn@AVSP in>out,in>out,…CR LF

Parameters

in – input number:1 (IN 1), 2 (IN 2), 3 (IN 3), 4 (IN 4), 5 (IN 5), 6 (IN 6), 7 (IN 7), 8 (IN 8), 0
(output disconnected)

> – connection character between in and out parameters
out – output number: 1 (OUT 1), 2 (OUT 2), 3 (OUT 3), 4 (OUT 4), 5 (OUT 5), 6 (OUT 6), 7 (OUT 7), 8
(OUT 8), * (all outputs)

K-Config Example

Switch IN 1 to OUT 4:
“#AV 1>4”,0x0D

Functions

Permission

Transparency

Set:

VID

End User

Public

Get

VID?

End User

Public

Description

Syntax

Set:

Set video switch state

#VIDSPin>outCR

Get:

Get video switch state

#VID?SPoutCR

Response

Set:~nn@VIDSPin>outCR LF
Get:~nn@VIDSPin>outCR LF

Parameters

in – input number: 1 (IN 1), 2 (IN 2), 3 (IN 3), 4 (IN 4), 5 (IN 5), 6 (IN 6), 7 (IN 7), 8 (IN 8), 9 (Pattern 1),
10 (Pattern 2), 11 (Pattern 3), 12 (Pattern 4), 13 (Pattern 5), 14 (Pattern 6), 15 (Pattern 7), 16 (Pattern 8),
0 (output disconnected)
> – connection character between IN and OUT parameters
out – output number: 1 (OUT 1), 2 (OUT 2), 3 (OUT 3), 4 (OUT 4), 5 (OUT 5), 6 (OUT 6), 7 (OUT 7),
8 (OUT 8), * (all outputs)

K-Config Example

Switch IN 1 to OUT 3:
“#VID 1>3”,0x0D

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Switch Commands

AV

Kramer Electronics Ltd.

VID

VS-88UHD – Protocol 3000

68

Functions

Permission

Transparency

Set:

AUD

End User

Public

Get:

AUD?

End User

Public

Description

Syntax

Set:

Set audio switch state

#AUDSPin>out, in>out,…CR

Get:

Get audio switch state

#AUD?SPoutCR
#AUD?SP*CR

Response

Set: ~nn@AUDSPin>outCR LF
~nn@AUDSPin>outCR LF

Get: ~nn@AUDSPin>outCR LF
~nn@AUDSPin>1,in>2,…CR LF

Parameters

In – input number: 1 (HDMI IN 1), 2 (HDMI IN 2), 3 (HDMI IN 3), 4 (HDMI IN 4), 5 (HDMI IN 5),
6 (HDMI IN 6), 7 (HDMI IN 7), 8 (HDMI IN 8), 0 (output disconnected)
> – connection character between in and out parameters
out – output number: 1 (HDMI OUT 1), 2 (HDMI OUT 2), 3 (HDMI OUT 3), 4 (HDMI OUT 4),
5 (HDMI OUT 5), 6 (HDMI OUT 6), 7 (HDMI OUT 7), 8 (HDMI OUT 8), * (all outputs)

Notes

When AFV switching mode is active, this command also switches video and unit replies with command ~AV.

K-Config Examples

Switch embedded audio HDMI IN 1 to HDMI OUT 3:

“#AUD 1>3”,0x0D

Functions

Permission

Transparency

Set:

- - -

Get

DISPLAY?

End User

Public

Description

Syntax

Set:

-

-

Get:

Get output HPD status

#DISPLAY?SPout_idCR

Response

~nn@DISPLAYSPout_id,statusCR LF

Parameters

out_id – 1 (Output 1), 2 (Output 2)
status – HPD status according to signal validation : 0 (Off), 1 (On), 2 (On and all parameters are stable

and valid)

Response Triggers

A response is sent to the com port from which the Get was received, after command execution and:
After every change in output HPD status from On to Off (0)

After every change in output HPD status from Off to On (1)
After every change in output HPD status form Off to On and all parameters (new EDID, etc.) are stable and
valid (2)

K-Config Example

Get the output HPD status of Output 1:

“#DISPLAY? 1”,0x0D

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AUD

Kramer Electronics Ltd.

DISPLAY

VS-88UHD – Protocol 3000

69

Functions

Permission

Transparency

Set:

- - -

Get:

INFO-IO?

End User

Public

Description

Syntax

Set:

-

-

Get:

Get in/out count

#INFO-IO?CR

Response

~nn@INFO-IOSPINSPinputs_count,OUTSPoutputs_countCR LF

Parameters

inputs_count – 8 (number of inputs in the unit)

outputs_count – 8 (number of outputs in the unit)

K-Config Example

Get inputs count:

“#INFO-IO?”,0x0D

Functions

Permission

Transparency

Set:

- - -

Get:

INFO-PRST?

End User

Public

Description

Syntax

Set:

-

-

Get:

Get maximum preset count

#INFO-PRST?CR

Response

~nn@INFO-PRSTSPVIDSPpreset_video_count,AUDSPpreset_audio_countCR LF

Parameters

preset_video_count – maximum number of video presets in the unit

preset_audio_count – maximum number of audio presets in the unit

Notes

In most units, video and audio presets with the same number are stored and recalled together by commands

#PRST-STO and #PRST-RCL.

K-Config Example

Get number of video and audio presets:

“#INFO-PRST?”,0x0D

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INFO-IO

INFO-PRST

Kramer Electronics Ltd.

VS-88UHD – Protocol 3000

70

Functions

Permission

Transparency

Set:

- - -

Get:

PRST-AUD?

End User

Public

Description

Syntax

Set:

-

-

Get:

Get audio connections from saved

preset

#PRST-AUD?SPpreset,outCR

#PRST-AUD?SPpreset,*CR

Response

~nn@PRST-AUDSPpreset, in>outCR LF

~nn@PRST-AUDSPpreset, in>1, in>2, in>3,…CR LF

Parameters

preset – preset number

n – input number: 1 (IN 1), 2 (IN 2), 3 (IN 3), 4 (IN 4), 5 (IN 5), 6 (IN 6), 7 (IN 7), 8 (IN 8),

0 (output disconnected)

> – Connection character between in and out parameters

out – Output number: 1 (OUT 1), 2 (OUT 2), 3 (OUT 3), 4 (OUT 4), 5 (OUT 5), 6 (OUT 6), 7 (OUT 7),

8 (OUT 8), * (all outputs)

Notes

In most units, video and audio presets with the same number are stored and recalled together by commands

#PRST-STO and #PRST-RCL.

K-Config Example

Get audio connection IN 1 to OUT 3 from saved preset 1:

“#PRST-AUD? 1”,0x0D

Command

Description

MTX-MODE

Set/get to auto-switch mode

VMUTE

Set/get video on output status

ROUTE

Set/get layer routing

Functions

Permission

Transparency

Set:

MTX-MODE

End User

Public

Get:

MTX-MODE?

End User

Public

Description

Syntax

Set:

Set auto-switch mode

#MTX-MODESPoutput_id,modeCR

Get :

Get auto-switch mode

#MTX-MODE?SPoutput_idCR

Response

~nn@MTX-MODESPoutput_id,modeCR

Parameters

output_id – 1 (OUT 1), 2 (OUT 2), 3 (OUT 3), 4 (OUT 4), 5 (OUT 5), 6 (OUT 6), 7 (OUT 7), 8 (OUT 8)

mode – 0 (manual), 1 (auto priority) 2 (auto last connected)

Response Triggers

After execution, a response is sent to the com port from which the Set/Get was received

After execution, a response is sent to all com ports if MTX-MODE was set by any other external control

device (button press, WEB, device menu and similar)

Notes

Not recommended for new devices.

K-Config Example

Set output to last connected:

“#MTX-MODE 1,2”,0x0D

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PRST-AUD

Kramer Electronics Ltd.

Switching Commands

MTX-MODE

VS-88UHD – Protocol 3000

71

Functions

Permission

Transparency

Set:

ROUTE

End User

Public

Get:

ROUTE?

End User

Public

Description

Syntax

Set:

Set layer routing

#ROUTESPlayer,dest,srcCR

Get:

Get layer routing

#ROUTE?SPlayer,destCR

Response

~nn@ROUTESPlayer,dest,srcCR LF

Parameters

layer – 1 (video), 2 (audio)

dest – 1 (HDMI OUT 1), 2 (HDMI OUT 2), 3 (HDMI OUT 3), 4 (HDMI OUT 4), 5 (HDMI OUT 5),

6 (HDMI OUT 6), 7 (HDMI OUT 7), 8 (HDMI OUT 8), * (all outputs)

src – 1 (HDMI IN 1), 2 (HDMI IN 2), 3 (HDMI IN 3), 4 (HDMI IN 4), 5 (HDMI IN 5), 6 (HDMI IN 6),

7 (HDMI IN 7), 8 (HDMI IN 8), 0 (output disconnected)

Notes

The get command identifies input switching on Step-in clients.

The set command is for remote input switching on Step-in clients (essentially via the web).

K-Config Examples

Route video HDMI IN 2 to video HDMI OUT 8:

“#ROUTE 1,8,2”,0x0D

Functions

Permission

Transparency

Set:

VMUTE

End User

Public

Get:

VMUTE?

End User

Public

Description

Syntax

Set:

Set enable/disable video

on output

#VMUTESPoutput_id,flagCR

Get:

Get video on output

status

#VMUTE?SPoutput_idSP CR

Response

Set / Get: ~nn@VMUTESPoutput_id,flagCR LF

Parameters

output_id – 1 (OUT 1), 2 (OUT 2), 3 (OUT 3), 4 (OUT 4), 5 (OUT 5), 6 (OUT 6), 7 (OUT 7), 8 (OUT 8)

flag – 0 (disable video on output), 1 (enable video on output), 2 (blank video)

K-Config Example

Disable the video output on OUT 2:

“#VMUTE 2,0”,0x0D

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ROUTE

Kramer Electronics Ltd.

VMUTE

VS-88UHD – Protocol 3000

72

Command

Description

ETH-PORT

Set/get Ethernet port protocol

NET-DHCP

Set/get DHCP mode

NET-GATE

Set/get gateway IP

NET-IP

Set/get IP address

NET-MAC

Get MAC address

NET-MASK

Set/get subnet mask

Functions

Permission

Transparency

Set:

ETH-PORT

Administrator

Public

Get:

ETH-PORT?

End User

Public

Description

Syntax

Set:

Set Ethernet port protocol

#ETH-PORTSPportType,ETHPortCR

Get:

Get Ethernet port protocol

#ETH-PORT?SPportTypeCR

Response

~nn@ETH-PORTSPportType,ETHPortCR LF

Parameters

portType – 0 (TCP)=, 1 (UDP)

ETHPort – 0-65534 (TCP / UDP port number)

Notes

If the port number you enter is already in use, an error is returned.

The port number must be within the following range: 2000-(2^16-1).

K-Config Example

Set the Ethernet port protocol for TCP to port 12457:

“#ETH-PORT 0,12457”,0x0D

Functions

Permission

Transparency

Set:

NET-DHCP

Administrator

Public

Get:

NET-DHCP?

End User

Public

Description

Syntax

Set:

Set DHCP mode

#NET-DHCPSPmodeCR

Get:

Get DHCP mode

#NET-DHCP?CR

Response

~nn@NET-DHCPSPmodeCR LF

Parameters

mode – 0 (do not use DHCP. Use the IP address set by the factory or the NET-IP command), 1 (try to use

DHCP. If unavailable, use the IP address set by the factory or the NET-IP command)

Notes

Connecting Ethernet to devices with DHCP may take more time in some networks.

To connect with a randomly assigned IP by DHCP, specify the device DNS name (if available) using the

NAME command. You can also get an assigned IP by direct connection to USB or RS-232 protocol port if

available.

Consult your network administrator for correct settings.

K-Config Example

Enable DHCP mode, if available:

“#NET-DHCP 1”,0x0D

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Communication Commands

ETH-PORT

Kramer Electronics Ltd.

NET-DHCP

VS-88UHD – Protocol 3000

73

Functions

Permission

Transparency

Set:

NET-GATE

Administrator

Public

Get:

NET-GATE?

End User

Public

Description

Syntax

Set:

Set gateway IP

#NET-GATESPip_addressCR

Get:

Get gateway IP

#NET-GATE?CR

Response

~nn@NET-GATESPip_addressCR LF

Parameters

ip_address – gateway IP address, in the following format: xxx.xxx.xxx.xxx

Notes

A network gateway connects the device via another network, possibly over the Internet. Be careful of

security problems. Consult your network administrator for correct settings.

K-Config Example

Set the gateway IP address to 192.168.0.1:

“#NET-GATE 192.168.000.001”,0x0D

Functions

Permission

Transparency

Set:

NET-IP

Administrator

Public

Get:

NET-IP?

End User

Public

Description

Syntax

Set:

Set IP address

#NET-IPSPip_addressCR

Get:

Get IP address

#NET-IP?CR

Response

~nn@NET-IPSPip_addressCR LF

Parameters

ip_address – IP address, in the following format: xxx.xxx.xxx.xxx

Notes

Consult your network administrator for correct settings.

K-Config Example

Set the IP address to 192.168.1.39:

“#NET-IP 192.168.001.039”,0x0D

Functions

Permission

Transparency

Set:

-

-

-

Get:

NET-MAC?

End User

Public

Description

Syntax

Set:

-

-

Get:

Get MAC address

#NET-MAC?CR

Response

~nn@NET-MACSPmac_addressCR LF

Parameters

mac_address – unique MAC address. Format: XX-XX-XX-XX-XX-XX where X is hex digit

K-Config Example

“#NET-MAC?”,0x0D

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NET-GATE

Kramer Electronics Ltd.

NET-IP

NET-MAC

VS-88UHD – Protocol 3000

74

Functions

Permission

Transparency

Set:

NET-MASK

Administrator

Public

Get:

NET-MASK?

End User

Public

Description

Syntax

Set:

Set subnet mask

#NET-MASKSPnet_maskCR

Get:

Get subnet mask

#NET-MASK?CR

Response

~nn@NET-MASKSPnet_maskCR LF

Parameters

net_mask – format: xxx.xxx.xxx.xxx

Response Triggers

The subnet mask limits the Ethernet connection within the local network

Consult your network administrator for correct settings

K-Config Example

Set the subnet mask to 255.255.0.0:

“#NET-MASK 255.255.000.000”,0x0D

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NET-MASK

Kramer Electronics Ltd.

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The warranty obligations of Kramer Electronics Inc. (“Kramer Electronics”) for this product are limited to the terms set forth below:

What is Covered

This limited warranty covers defects in materials and workmanship in this product.

What is Not Covered

This limited warranty does not cover any damage, deterioration or malfunction resulting from any alteration, modification, improper or unreasonable use
or maintenance, misuse, abuse, accident, neglect, exposure to excess moisture, fire, improper packing and shipping (such claims must be presented to
the carrier), lightning, power surges, or other acts of nature. This limited warranty does not cover any damage, deterioration or malfunction resulting from
the installation or removal of this product from any installation, any unauthorized tampering with this product, any repairs attempted by anyone
unauthorized by Kramer Electronics to make such repairs, or any other cause which does not relate directly to a defect in materials and/or workmanship
of this product. This limited warranty does not cover cartons, equipment enclosures, cables or accessories used in conjunction with this product.

Without limiting any other exclusion herein, Kramer Electronics does not warrant that the product covered hereby, including, without limitation, the
technology and/or integrated circuit(s) included in the product, will not become obsolete or that such items are or will remain compatible with any other
product or technology with which the product may be used.

How Long this Coverage Lasts

The standard limited warranty for Kramer products is seven (7) years from the date of original purchase, with the following exceptions:

1. All Kramer VIA products are covered by a standard three (3) year warranty for VIA hardware and a standard one (1) year warranty for
firmware and software updates. (An extended software warranty plan for an additional 2 years can be purchased separately).

2. All Kramer fiber optic cables and adapters, all Kramer speakers and Kramer touch panels are covered by a standard one (1) year warranty.

3. All Kramer Cobra products, all Kramer Calibre products, all Kramer Minicom digital signage products, all HighSecLabs products, all
streaming, and all wireless products are covered by a standard three (3) year warranty.

4. All Sierra Video MultiViewers are covered by a standard five (5) year warranty.

5. Sierra switchers & control panels are covered by a standard seven (7) year warranty (excluding power supplies and fans that are covered for
three (3) years).

6. K-Touch software is covered by a standard one (1) year warranty for software updates.

7. All Kramer passive cables are covered by a ten (10) year warranty.

Who is Covered

Only the original purchaser of this product is covered under this limited warranty. This limited warranty is not transferable to subsequent purchasers or
owners of this product.

What Kramer Electronics Will Do

Kramer Electronics will, at its sole option, provide one of the following three remedies to whatever extent it shall deem necessary to satisfy a proper claim
under this limited warranty:

1. Elect to repair or facilitate the repair of any defective parts within a reasonable period of time, free of any charge for the necessary parts and
labor to complete the repair and restore this product to its proper operating condition. Kramer Electronics will also pay the shipping costs
necessary to return this product once the repair is complete.

2. Replace this product with a direct replacement or with a similar product deemed by Kramer Electronics to perform substantially the same
function as the original product.

3. Issue a refund of the original purchase price less depreciation to be determined based on the age of the product at the time remedy is sought
under this limited warranty.

What Kramer Electronics Will Not Do Under This Limited Warranty

If this product is returned to Kramer Electronics or the authorized dealer from which it was purchased or any other party authorized to repair Kramer
Electronics products, this product must be insured during shipment, with the insurance and shipping charges prepaid by you. If this product is returned
uninsured, you assume all risks of loss or damage during shipment. Kramer Electronics will not be responsible for any costs related to the removal or re­installation of this product from or into any installation. Kramer Electronics will not be responsible for any costs related to any setting up this product, any
adjustment of user controls or any programming required for a specific installation of this product.

How to Obtain a Remedy Under This Limited Warranty

To obtain a remedy under this limited warranty, you must contact either the authorized Kramer Electronics reseller from whom you purchased this
product or the Kramer Electronics office nearest you. For a list of authorized Kramer Electronics resellers and/or Kramer Electronics authorized service
providers, visit our web site at www.kramerav.com or contact the Kramer Electronics office nearest you.

In order to pursue any remedy under this limited warranty, you must possess an original, dated receipt as proof of purchase from an authorized Kramer
Electronics reseller. If this product is returned under this limited warranty, a return authorization number, obtained from Kramer Electronics, will be
required (RMA number). You may also be directed to an authorized reseller or a person authorized by Kramer Electronics to repair the product.

If it is decided that this product should be returned directly to Kramer Electronics, this product should be properly packed, preferably in the original carton,
for shipping. Cartons not bearing a return authorization number will be refused.

Limitation of Liability

THE MAXIMUM LIABILITY OF KRAMER ELECTRONICS UNDER THIS LIMITED WARRANTY SHALL NOT EXCEED THE ACTUAL PURCHASE
PRICE PAID FOR THE PRODUCT. TO THE MAXIMUM EXTENT PERMITTED BY LAW, KRAMER ELECTRONICS IS NOT RESPONSIBLE FOR
DIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES RESULTING FROM ANY BREACH OF WARRANTY OR CONDITION, OR
UNDER ANY OTHER LEGAL THEORY. Some countries, districts or states do not allow the exclusion or limitation of relief, special, incidental,
consequential or indirect damages, or the limitation of liability to specified amounts, so the above limitations or exclusions may not apply to you.

Exclusive Remedy

TO THE MAXIMUM EXTENT PERMITTED BY LAW, THIS LIMITED WARRANTY AND THE REMEDIES SET FORTH ABOVE ARE EXCLUSIVE AND
IN LIEU OF ALL OTHER WARRANTIES, REMEDIES AND CONDITIONS, WHETHER ORAL OR WRITTEN, EXPRESS OR IMPLIED. TO THE
MAXIMUM EXTENT PERMITTED BY LAW, KRAMER ELECTRONICS SPECIFICALLY DISCLAIMS ANY AND ALL IMPLIED WARRANTIES,
INCLUDING, WITHOUT LIMITATION, WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IF KRAMER
ELECTRONICS CANNOT LAWFULLY DISCLAIM OR EXCLUDE IMPLIED WARRANTIES UNDER APPLICABLE LAW, THEN ALL IMPLIED
WARRANTIES COVERING THIS PRODUCT, INCLUDING WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE,
SHALL APPLY TO THIS PRODUCT AS PROVIDED UNDER APPICABLE LAW.

IF ANY PRODUCT TO WHICH THIS LIMITED WARRANTY APPLIES IS A “CONSUMER PRODUCT” UNDER THE MAGNUSON-MOSS WARRANTY
ACT (15 U.S.C.A. §2301, ET SEQ.) OR OTHER APPICABLE LAW, THE FOREGOING DISCLAIMER OF IMPLIED WARRANTIES SHALL NOT APPLY
TO YOU, AND ALL IMPLIED WARRANTIES ON THIS PRODUCT, INCLUDING WARRANTIES OF MERCHANTABILITY AND FITNESS FOR THE
PARTICULAR PURPOSE, SHALL APPLY AS PROVIDED UNDER APPLICABLE LAW.

Other Conditions

This limited warranty gives you specific legal rights, and you may have other rights which vary from country to country or state to state.
This limited warranty is void if (i) the label bearing the serial number of this product has been removed or defaced, (ii) the product is not distributed by

Kramer Electronics or (iii) this product is not purchased from an authorized Kramer Electronics reseller. If you are unsure whether a reseller is an
authorized Kramer Electronics reseller, visit our web site at www.kramerav.com or contact a Kramer Electronics office from the list at the end of this
document.

Your rights under this limited warranty are not diminished if you do not complete and return the product registration form or complete and submit the
online product registration form. Kramer Electronics thanks you for purchasing a Kramer Electronics product. We hope it will give you years of
satisfaction.

P/N:

2900- 30 0 6 2 9

Rev:

1

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SAFETY WARNING

Disconnect the unit from the power supply before opening and servicing

For the latest information on our products and a list of Kramer distributors, visit our Web site where updates to this
user manual may be found.

We welcome your questions, comments, and feedback.

www.KramerAV.com
[email protected]