Kramer VP-723DS, VP-720DS USER MANUAL

Kramer Electronics, Ltd.

USER MANUAL

Models:

VP-720DS, Seamless Switcher / Scaler
VP-723DS, Seamless Switcher / Scaler

Contents

Contents

1 Introduction 1
2 Getting Started 1
3 Overview 1
4 Your Seamless Switcher / Scaler 3
5 Connecting the Seamless Switcher / Scaler 8

5.1 Connecting a PC 9

6 Understanding the Seamless Switcher / Scaler 11

6.1 Understanding the OUT Button Functionality 11

6.2 Understanding the PIP Button Feature 13

6.2.1 Activating the PIP Feature 13

6.2.2 PIP Characteristics 14

6.2.3 Toggling between the PIP and the Screen Source (SWAP ) 14

6.2.4 Resizing the PIP 15

6.2.5 Moving the Position of the PIP 15

6.3 Locking and Unlocking the Front Panel 15

7 Operating the Seamless Switcher / Scaler 16

7.1 Switching and Scaling 16

7.1.1 Switching an Input 16

7.1.2 Choosing the Output Resolution 17

7.2 Controlling the Seamless Switcher / Scaler 17

7.3 Operating via the OSD MENU Screen 17

7.3.1 Controlling the Brightness and Contrast 18

7.3.2 Controlling the Gamma and Color 19

7.3.3 Selecting the Source 20

7.3.4 Controlling the Scale Geometry 20

7.3.5 Adjusting the Zoom Ratio and Position 22

7.3.5.1 Adjusting the Zoom Ratio 23

7.3.5.2 Adjusting the Zoom Position 23

7.3.6 Configuring via the Utility Screens 24

7.3.6.1 Choosing the Graph ic U tility Settings 25

7.3.6.2 Choosing the Video Utility Settings 26

7.3.6.3 Choosing the Audio U tility Se ttin gs 27

7.3.6.4 Choosing the PIP U tility Settings 27

7.3.6.5 Choosing the Seamle ss Switch Utility Settings 29

7.3.6.6 Choosing the OSD U tility Se tting s 29

7.3.6.7 Choosing the Output U tility Settings 30

7.3.6.8 Choosing Factory Reset 32

7.3.7 Verifying Configuration Details via the Information Screen 33

i

Contents

Operating via the Infra-red Remote Control Transmitter 33

7.3.8

7.4 Upgrading Firmware 36

8 Technical Specifications 36
9 Communication Protocol 37

Figures

Figure 1: Front Panels of the VP-720DS and VP-723DS, and their Rear Panel 4
Figure 2: Connecting the PC 9
Figure 3: Connecting the VP-720DS / VP-723DS Rear Panel 10
Figure 4: OUT LED Sequence 12
Figure 5: OSD PIP Status 14
Figure 6: OSD SWAP Status 14
Figure 7: Locking / Unlocking the Front Panel 15
Figure 8: OSD Input Status 16
Figure 9: OSD Output Status 17
Figure 10: MENU Screen 18
Figure 11: Menu Screen Icons 18
Figure 12: Brightness and Contrast Screen 18
Figure 13: Gamma and Color Screen 19
Figure 14: Gamma, Color Temperature/Manager User 1/2 Screen 19
Figure 15: Source Selection Screen 20
Figure 16: Geometry (Scale and Zoom) Screen 20
Figure 17: Geometry (Scale: Aspect Ratio and Nonlinear) S creen 21
Figure 18: Geometry (Scale: Asp ect Ratio) Screen 21
Figure 19: Geometry (Zoom) Screen 22
Figure 20: OSD Enlarge Status 22
Figure 21: Zoom Ratio Adjustment Example 23
Figure 22: Zoom Position Adjustment Example 23
Figure 23: Geometry (Zoom Ratio) Screen 23
Figure 24: Preset Position Control Keys 24
Figure 25: Navigation Control Keys 24
Figure 26: Geometry (Zoom Position Adjustment) Screen 24
Figure 27: Utility Screen 25
Figure 28: Graphic Setting Utility Screen 25
Figure 29: Graphic Setting Color Format Utility Screen 26
Figure 30: Video Setting Utility Screen 26
Figure 31: Video Setting Standard Utility Screen 26
Figure 32: Audio Setting Utility Screen 27
Figure 33: Audio Setting Stereo Utility Screen 27
Figure 34: PIP Utility Screen 27
Figure 35: PIP Activation Utility Screen 28
Figure 36: PIP Source Utility Screen 28
Figure 37: PIP Size Utility Screen 28

ii

KRAMER: SIMPLE CREATIVE TECHNOLOGY

Contents

Figure 38: Seamless Switch Utility Screen 29
Figure 39: OSD Setting Utility Screen 29
Figure 40: OSD Size Utility Screen 30
Figure 41: OSD Source Prompt Activation Utility Screen 30
Figure 42: OSD Blank Color Utility Screen 30
Figure 43: Output Setting Utility Screen 31
Figure 44: Output Setting Resolution Utility Screen 31
Figure 45: Output Setting Refresh Rate Utility Screen 31
Figure 46: Output Setting User Mode Setting Utility Screen 32
Figure 47: Factory Reset Utility Screen 32
Figure 48: Information Screen 33
Figure 49: Infra-red Remote Control Transmitter 34

Tables

Table 1: Front Panel VP-720DS and VP-723DS, Seamless Switcher / Scaler Features 5
Table 2: Rear Panel VP-720DS and VP-723DS, Seamless Switcher / Scaler F eatures 7
Table 3: Selecting the Output Resolution 11
Table 4: User Mode Setting Definitions 32
Table 5: Infra-red Remote Control Transmitter Functions 35
Table 6: Technical Specifications of the VP-720DS/VP-723DS 36
Table 7: RS-232 Protocol 37
Table 8: RS-232 Communication Code 37
Table 9: RS-232 Read Command 39

iii

Addendum: Scalers Group

Additional Features of the Scaler Products Group according to
the Master-Firmware Ver-2.33 Release.

1. This version requires Slave Firmware version 1.06 or higher. The version can be
seen in the INFO section of the on-screen menu. Contact your Kramer service center if
you have any questions.

2. Improved functionality lets you select the PIP source via the RS-232
command. Sending an inappropriate PIP source command (request video PIP source
while the main video input is selected; or the same for graphic sources) will not cause
the unit to operate erroneously. In such a case, the unit will ignore the command and
return the message: “ineffective source”. This option does not apply to the VP-719DS.

3. Added PIP position(s) commands in the RS-232 protocol. These commands
let you input the absolute value (from 0 to 36) of the horizontal and vertical positions of
the PIP. For details, see the protocol table. This option does not apply to the VP-719DS.

4. Added new output resolution 1280x768. This resolution is marked with an
asterisk “*” to attract your attention to the fact that this is not a standard VESA
resolution and its parameters vary from manufacturer to manufacturer. Therefore, this
resolution must be used with caution. It is also possible to use the parameters of this
resolution in combination with the User Defined resolution (see below). There is also an
RS-232 command for this resolution. For details, see the protocol table.

5. Added 50 Hz output refresh rate. This is for special cases only. Many of the
modern screens and projectors have difficulties working with such a low frequency.

6. In the OSD under UTILITIES>ADVANCED there is new item: “Input
Button”. This item defines an action after repeatedly pressing the same input selection
button. This item has following options:

 FREEZE/BLANK – this is the current situation (quoting from the user
manual: Press again (when the LED illuminates) to freeze the image; the LED
flashes. Press once again (when the LED flashes), to display a blank screen; the
LED flashes more slowly)). This remains the factory default

 FREEZE – pressing the button toggles between LIVE and FREEZE

 BLANK – pressing the button toggles between LIVE and BLANK

 IGNORE – after selecting the source, the button is ignored

The settings also apply to the input buttons on the IR control.

7. Under the Utility>PIP Setting there is new item: “PIP Frame”. This feature
allows the enable/disable yellow frame around the PIP through the OSD or the new
RS-232 command: L 50AF. The RS-232 command allows PIP frame enable/disable
while the PIP is activated. However, before doing it via the OSD you must switch the
PIP OFF. While the frame is activated, pressing the UP and DOWN buttons on the front
panel and on the IR remote control would toggle through the PIP size settings. This
option does not apply to the VP-719DS.

P/N: 2900-0070144 A1

Addendum: Scalers Group

8. Under the Utility>Output Setting>User Mode Setting there is a new option:
“Set Current”. This feature lets you apply the parameters of the currently selected

output resolution to the User Define output resolution (Utility>Output
Setting>Resolution). This set of parameters can be used as a “starting point” to adjust
parameters according to the requirements of the signal receiver. The changes to the User
Define parameters are applied immediately and require confirmation in the same part of
the OSD.

9. In the OSD under UTILITIES>ADVANCED there is new item “User
Define Measure”. This feature lets you modify the automatically detected parameters
of the input graphic signal and save them in one of 3 sets for further use. The changes
are applied in real time and therefore can be monitored directly on the screen. This
feature is especially useful in working with non-standard input resolutions. The
following parameters can be changed:

H Total: Horizontal total

H Start: Horizontal active start point

H Active: Horizontal active region

V Start: Vertical active start point

V Active: Vertical active region

Ch Pump: Charge Pump current

Color: Color Format

10. Under the Utility>PIP Setting>PIP Size, there is a new option: “User
Define”. This feature lets you set the size of the PIP to your exact needs. To use this
option, select “User Define”, then press the “PIP User Define” bar and set the PIP
V-size (0-2551) and H-size (0-2551). This option does not apply to the VP-719DS.

11. By pressing the +, -, UP and DOWN buttons continuously, you can speed
up their response. For example, to roughly set the brightness to a higher level, open
“Brightness and Contrast”>Brightness, and press and hold the + button. For step-by-step
response, press and release these buttons as many times as needed.

12. New firmware supports an updated set of RS-232 protocol commands.
These commands are available on our Web site at http://www.kramerelectronics.com

13. Under Geometry>Scale>Aspect Ratio there is a new option: “User Define”.
This feature lets you adjust the geometry of the outputted picture.

14. A new refresh rate for HDTV resolutions. This new feature supports the
HDTV outputs with 50Hz refresh rate2.

1 255 corresponds to a full screen

2 This option applies to machines that support HDTV resolutions

A2

Introduction

1 Introduction

Welcome to Kramer Electronics (since 1981): a world of unique, creative and
affordable solutions to the infinite range of problems that confront the video,
audio and presentation professional on a daily basis. In recent years, we have
redesigned and upgraded most of our line, making the best even better! Our
300-plus different models now appear in 8 Groups

1

, which are clearly defined

by function. Congratulat i ons on purchasing your Kr amer VP-720DS
Seamless Switcher / Scaler and/or VP-723DS Seamless Switcher / Scaler,
which are ideal for the following typical applications:

• Presentation and conference room systems

• Production studios, rental and staging

The VP-720DS and/or the VP-723DS package includes the following items:

• Seamless Switcher / Scaler

• Power cord

2

, Infra-red remote control transmitter and Null-modem

adapter

• This user manual

3

and the Kramer concise product catalog/CD

2 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

• Use Kramer high performance high resolution cables

4

3 Overview

The VP-720DS and VP-723DS are Seamless Switchers / Scalers designed for
a wide variety of presentation and multimedia applications. They are true
multi-standard video to RGBHV (pixel) scalers that convert composite video ,

1 GROUP 1: Distribution Amplifiers; GROUP 2: Video and Audio Switchers, Matrix Switchers and Controllers; GROUP 3:
Video, Audio, VGA/XGA Processors; GROUP 4: Interfaces and Sync Processors; GROUP 5: Twisted Pair Interfaces;
GROUP 6: Accessories and Rack Adapters; GROUP 7: Scan Converters and Scalers; and GROUP 8: Cables and Connectors
2 We recommend that you use only the power cord that is supplied with this machine
3 Download up-to-date Kramer user manuals from the Internet at this URL: http://www.kramerelectronics.com/manuals.html
4 The complete list of Kramer cables is on our Web site at http://www.kramerelectronics.com (click “Cables and Connectors”
in the Products section)

1

Overview

s-Video, component video, VGA/SVGA/XGA/UXGA, and DVI signals to
the following user-selectable pixel rates:

• VGA (640x480)

• SVGA (800x600)

• XGA (1024x768)

• SXGA (1280x1024)

• UXGA (1600x1200)

• 852x1024

• 1024x1024

• 1366x768

• 1365x1024

• 1280x720

• 720x483

• 852x480

• 1400x1050

• A user definable output mode

1

1
1
1

1

2

The VP-723DS has 3 additional output modes used for high definition
television (HDTV): 480p, 720p, and 1080i. Both the VP-720DS and
VP-723DS are 7-input seamless presentation switchers, that:

• Digitally reprocess the signal to correct mastering errors, and regenerate
the video at a chosen line and pixel rate format, providing, for example,
native-resolution video for LCD, DLP and Plasma displays

• Facilitate scaling of any graphics resolution to any other resolution

3

• Incorporate a unique graphics-scaling engine with image enhancement
algorithms, which are built into the firmware

• Are specifically designed to improve video quality by reducing chroma n oise

• Include a built-in Picture-in-Picture inserter

4

, letting you insert a video
source into a graphics background or vice versa, allowing the user to size and
position the shrunken inserted image anywhere on the screen

• Scale and zoom (to up to 400% of the original size)

In addition, both the VP-720DS and VP-723DS:

• Switch in true audio-follow-video mode

1 Not shown on the front panel
2 Recommended for advanced users only – non-standard settings may not be recognized by the display device
3 For example, scaling a VGA input to an UXGA output, or an SXGA input to an SVGA output
4 See section 6.2

2

KRAMER: SIMPLE CREATIVE TECHNOLOGY

Your Seamless Switcher / Scaler

• Include an OSD (on-screen display) for making the adjustments that can
be located anywhere on the screen, and can be doubled in size. The OSD can
be used to deactivate the source prompt, choose the color of the blank screen,
and choose from three seamless switching image transition speeds

• Include seven multi-functional input buttons that cycle between selecting
a source, freezing that source, or deactivating that source (and displaying a
blank screen)

• Include a front panel lock

• Incorporate full ProcAmp

• Offer high quality de-interlacing 3:2/2:2 pull down

• Can provide non-linear scaling for 4:3, 16:9 transformation

1

processing for video and audio correction

2

3

• Support firmware upgrade via RS-232

• Include non-volatile memory that retains the last setting, after switching

the power off and then on again

Control the VP-720DS and/or VP-723DS:

• From the front panel OSD control buttons

• Remotely, from the infra-red remote control transmitter

• Remotely, via RS-232

Achieving the best performance means:

• Connecting only good quality connection cables, thus avoiding
interference, deterioration in signal quality due to poor matching, and elevated
noise levels (often associated with low quality cables)

• Avoiding interference from neighboring electrical appliances that may
adversely influence signal quality and positioning your Kramer VP-720DS
and/or VP-723DS away from moisture, excessive sunlight and dust

4 Your Seamless Switcher / Scaler

Figure 1 illustrates the front panels of the VP-720DS and VP-723DS, as well
as the rear panel. The latter is identical on both the VP-720DS and

VP-723DS. Table 1 and Table 2 define the front and rear panels of the
VP-720DS and VP-723DS, respectively.

1 Processing amplification enables adjustment of different video and audio signal parameters
2 Accommodates the frame-rate of a converted movie (24 frames per second) to video frequencies (25 frames per second
(PAL); 30 frames per second (NTSC)
3 See Figure 18

3

Your Seamless Switcher / Scaler

Figure 1: Front Panels of the VP-720DS and VP-723DS, and their Rear Panel

4

KRAMER: SIMPLE CREATIVE TECHNOLOGY

Your Seamless Switcher / Scaler

LEDs

Table 1: Front Panel VP-720DS and VP-723DS, Seamless Switcher / Scaler Features

# Feature Function

1 POWER Switch Illuminated switch supplying power to the unit
2 IR Receiver / LED Green when the unit will accept IR remote commands
3 AV1 Illuminates1 when the composite video / audio source 1 is selected
4 AV2 Illuminates1 when the composite video / audio source 2 is selected
5 YC1 Illuminates1 when the s-Video (Y/C) / audio source 1 is selected
6 YC2 Illuminates1 when the s-Video (Y/C) / audio source 2 is selected
7 Component Illuminates1 when the component video / audio source is selected
8 VGA Illuminates1 when the VGA / audio source is selected

INPUT SELECTOR

9
10
11
12
13
14
15

DVI Illuminates1 when the DVI / audio source is selected
SV Illuminates when the SVGA resolution is selected2
V Illuminates when the VGA resolution is selected3
X Illuminates when the XGA resolu tion is selected4
1366x768 Illuminates when the 1366x768 resol ution is selected5

OUT LEDs

852x1024 Illuminates when the 852x1024 resolution is selected6
1024x1024 Illuminates when the 1024x1024 resolution is selected7

16 OUT Button Selects the output resolution and illuminates the appropriate LED8

1 Flashes when the image is frozen, and flashes more slowly when a blank screen is displayed
2 Illuminates with the V LED when the SXGA resolution is selected, with the X LED when the UXGA resolution is selected,
with the 852x1024, 1024x1024 and 1366x768 LEDs when the 852x480 resolution is selected, with the 1024x1024 LED when
720p is selected (VP-723DS only), and with all the other LEDs when UserDefine is selected
3 Illuminates with the SV LED when the SXGA resolution is selected, with the 852x1024, 1024x1024 and 1366x768 LEDs
when the 720x483 resolution is selected, with the 852x1024 LED when 480p is selected (V P-723DS only), and with all the
other LEDs when UserDefine is selected
4 Illuminates with the SV LED when the UXG A resolution is selected, w ith the 852x1024, 1 024x1024 and 1366x768 LEDs
when the 1400x1050 resolution is selected, with the 1366x768 LED when 1080i is selected (VP-723DS only), and with all the
other LEDs when UserDefine is selected
5 Illuminates with the 1024x1024 LED when the 1280x720 (not shown on the front panel) resolution is selected, with the V,
852x1024, and 1024x1024 LEDs when the 720x483 resolution is select ed, with the SV, 852x1024, and 1024x1024 LEDs
when the 852x480 resolution is selected, with the X, 852x1024, and 1024x1024 LEDs when the 1400x1050 resolution is
selected, with the X LED when 1080i is selected (VP-723DS only), and with all the other LEDs when UserDefine is selected
6 Illuminates with the 1024x1024 LED when the 1365x1024 ( not shown on the front panel) resolution is selected, with the V,
1024x1024, and 1366x768 LEDs when the 720x483 resolution is select ed, with the SV, 1024x1024, and 1366x768 LEDs
when the 852x480 resolution is selected, with the X, 1024x1024, and 1366x768 LEDs when the 1400x1050 resolution is
selected, with the V LED when 480p is selected (VP-723DS only), and with all the other LEDs when UserDefine is selected
7 Illuminates with the 852x1024 LED when 1365x1024 (not shown on the front panel) resolution is selected, with th e
1366x768 LED when the 1280x720 (not shown on the front panel) is selected, with the V, 852x1024, and 1366x768 LEDs
when the 720x483 resolution is selected, with the SV, 852x1024, and 1366x768 LEDs when the 852x480 resolution is
selected, with the X, 852x1024, and 1366x768 LEDs when the 1400x1050 resolution is selected, with the SV LED when the
720p is selected (VP-723DS only), and with all the other LEDs when UserDefine is selected
8 See section 6.1

5

Your Seamless Switcher / Scaler

# Feature Function

17 PIP LED Illuminates when the picture-in-picture function is selected
18 UP Button Moves up one step (in the same level) in the OSD screen
19 DOWN Button Moves down one step (in the same level) in the OSD screen
20 + Button Increases the range by one step in the OSD screen
21 - Button Decreases the range by one step in the OSD screen
22 ENTER Button Moves to the next level in the OSD screen
23 MENU Button Displays the OSD Menu screen1 and locks/unlocks the front panel2
24 PIP Button Selects the picture-in-picture function and illuminates the PIP LED3
25
26
27

28
29
30

31

DVI Press4 to select the DVI / audio source and illuminate the DVI LED
VGA Press4 to select the VGA / audio source and illuminates the VGA LED
Component Press4 to select the component video/audio source and illuminate the

YC2 Press4 to select the s-Video (Y/C) / audio source 2 and illuminate the YC2 LED
YC1 Press4 to select the s-Video (Y/C) / audio source 1 and illuminate the YC1 LED
AV2 Press4 to select the composite video / audio source 2 and illuminate the AV2

AV1 Press4 to select the composite video / audio source 1 and illuminate the AV1

INPUT SELECTOR Buttons

component LED

LED

LED

1 Or moves to the previous level in the OSD screen
2 See section 6.3
3 See section 6.2
4 Press again (when the LED illuminates) to freeze the image; the LED flashes. Press once again (when the LED flashes), to
display a blank screen; the LED flashes more slowly. Alternatively, to freeze the image, press the FREEZE key on the
infra-red remote control transmitter (see Figure 49)

6

KRAMER: SIMPLE CREATIVE TECHNOLOGY

Your Seamless Switcher / Scaler

Table 2: Rear Panel VP-720DS and VP-723DS, Seamless Switcher / Scaler Features

# Feature Function

1 VIDEO HD15

2

3 COMPONENT L and R

4 VIDEO 2 L and R RCA

5 VIDEO 1 L and R RCA

6

7 DVI Connector Connects to the DVI (digital video interface) graphics source
8 VGA HD15 Connector Connects to the VGA (analog interface) graphics source
9 Y
10
11

12
13
14
15
16 RS-232 DB 9 Connector Connects to PC or Serial Controller
17 Power Connector with FUSE AC connector enabling power supply to the unit

Connector

OUTPUTS

AUDIO L and R RCA

Connectors

RCA Connectors

Connectors

Connectors

AUDIO INPUTS

PC 3.5 mm Socket Connects to the audio input from either the DVI (digital video

Pb/Cb
Pr/Cr

RCA

Connectors

Component

YC 2 4p Connector Connects to the s-Video source 2

VIDEO INPUTS

YC 1 4p Connector Connects to the s-Video source 1
CV 2 RCA Connector Connects to the composite video source 2
CV 1 RCA Connector Connects to the composite video source 1

Connects to the video acceptor (for example, Plasma display,
projector or monitor) that displays the scaled output (with the OSD
superimposed over it)
In the HDTV mode (VP-723DS), the signal goes out via 3 PINS:
PIN 1 is Red or P

Connects to the left and right stereo audio acceptors

Connects to the left and right stereo audio inputs from the
COMPONENT video source

Connects to the left and right stereo audio inputs from one of the
composite or s-Video sources

Connects to the left and right stereo audio inputs from one of the
composite or s-Video sources

interface) graphics sou rce or th e VGA anal og gr ap hi cs sou rce

Connect to the component video source

, PIN 2 is Green or Y, PIN 3 is Blue or Pb

r

1

2

3

1 Either CV 2 or YC 2
2 Either CV 1 or YC 1
3 Or to an RGB signal; connect RED to the “Y” co nnector, GREEN to the “Pb/Cb” connector, and BL UE to the “Pr/Cr ” connector

7

Connecting the Seamless Switch er / Scaler

5 Connecting the Seamless Swit cher / Scaler

Using the VP-720DS or VP-723DS you can select any one of the 7 inputs
and scale that input to the output at the set

To connect the VP-720DS or VP-723DS, connect the following

1

resolution.

2

to the rear

panel, as the example in Figure 3 illustrates:

1. Connect one or more of the following video sources:

• 2 composite video sources, “Composite Video Source 1” and “Composite
Video Source 2”, to the RCA connectors CV 1 and CV2, respectively

3

• 2 s-Video sources: “s-Video Source 1” and “s-Video Source 2”, to the 4p
connectors, YC 1 and YC 2, respectively

• A component video
in Figure 3), to the 3 RCA connectors, Y, Pb/Cb, and Pr/C

4

source, for example, a Betacam VCR (as illustrated

5

r

• A VGA graphics source, for example, a PC with an analog graphics
output, to the VGA HD15F connector

• A DVI graphics source, for example, a PC with a digital graphics output,
to the DVI connector

2. Connect the stereo audio sources, as illustrated in Figure 3. In particular:

• The audio of the “Composite Video Source 1” to the AUDIO INPUT
VIDEO 1 pair of RCA connectors

• The audio of the “s-Video Source 2” to the AUDIO INPUT VIDEO 2 pair
of RCA connectors

7

6

• The audio of the Component video source, the Betacam VCR, to the
AUDIO INPUT COMPONENT pair of RCA connectors

• The audio of the DVI Graphics Source to the AUDIO INPUT PC 3.5mm

8

socket

. Alternatively, connect the audio from the VGA Graphics Source (not

illustrated in Figure 3)

1 For details of how to set the output resolution on the VP-720DS and VP-723DS, refer to section 6.1
2 Switch OFF the power on each device before connecting it to your Seamless Switcher / Scaler. After connecting your
Seamless Switcher / Scaler, switch on its power and then switch on the power on each device
3 Connection to CV 2 is not shown in the example in Figure 3
4 Sometimes called YUV, or Y, B-Y, R-Y, or Y, Pb, Pr
5 Alternatively, you can connect an RGB signal (not shown in Figure 3), as follows: RED to the “Y” connector, GREEN to
the “Pb/Cb” connector, and BLUE to the “Pr/Cr” connector
6 The VIDEO 1 connectors are common to CV 1 and YC 1
7 The VIDEO 2 connectors are common to CV 2 and YC 2
8 The PC connector is common to DVI and VGA

8

KRAMER: SIMPLE CREATIVE TECHNOLOGY

Connecting the Seamless Switch er / Scaler

DB9 (To Seamless

Switcher / Scaler

)

)

3. Connect the VIDEO OUTPUT HD15F connector1 to the video acceptor,

for example, a projector or a Plasma monitor (as shown in Figure 3), and
connect the AUDIO OUTPUT pair of RCA connectors to the audio
acceptor, for example, a power amplifier.

4. The power cord

2

(the power connector is not illustrated in Figure 3).

5. A PC (optional), as section 5.1 describes.

5.1 Connecting a PC

You can connect a PC (or other controller) to the VP-720DS or VP-723DS
via the RS-232 port for remote control, and for upgrading the firmware, as
section 7.4 describes.

To connect a PC to the VP-720DS or VP-723DS unit, using the Null-modem
adapter provided with the machine (recommended):

• Connect the RS-232 DB9 rear panel port on the VP-720DS or VP-723DS
unit to the Null-modem adapter and connect the Null-modem adapter with a 9
wire flat cable to the RS-232 DB9 port on your PC

To connect a PC to a VP-720DS or VP-723DS unit, without using a
Null-modem adapter:

• Connect the RS-232 DB9 port on your PC to the RS-232 DB9 rear panel
port on the VP-720DS or VP-723DS unit, forming a cross-connection
Figure 2 illustrates

3

, as

DB9 (From PC

Figure 2: Connecting the PC

1 In the HDTV mode, the signal goes out via 3 PINS: PIN 1 is Red or Pr, PIN 2 is Green or Y, PIN 3 is Blue or Pb
2 We recommend that you use only the power cord that is supplied with this machine
3 Also known as a Null-modem connection

9

Connecting the Seamless Switch er / Scaler

Figure 3: Connecting the VP-720DS / VP-723DS Rear Panel

10

KRAMER: SIMPLE CREATIVE TECHNOLOGY

Understanding the Seamless Switcher / Scaler

6 Understandi ng the Seamless Switcher / Scaler

The VP-720DS and VP-723DS include the following front panel buttons:

• A set of 7 INPUT SELECTOR buttons (AV1, AV2, YC1, YC2,
Component, VGA, and DVI)

• An OUT button (see section 6.1)

• A PIP button (see section 6.2)

• A set of 6 OSD buttons, which are described in Table 1: MENU, ENTER,

-, +, UP, and DOWN

6.1 Understanding the OUT Button Functionality

Press the OUT button
Figure 4 define how to select the output resolution:

To scale to this pixel resolution rate

(VP-720DS and VP-723DS):

VGA (640x480) V
SVGA (800x600) SV
XGA (1024x768) X
SXGA (1280x1024) V and SV
UXGA (1600x1200) SV and X
852x1024i 852x1024
1024x1024i 1024x1024
1366x768 1366x768
1365x10242 852x1024 and 1024x1024
1280x7202 1024x1024 and 1366x768
720x4832 V and 852x1024 and 1024x1024 and 1366x768
852x4802 SV and 852x1024 and 1024x1024 and 1366x768
1400x10502 X and 852x1024 and 1024x1024 and 1366x768

To output to this hi gh defi nition

television (HDTV) mode (VP-723DS):

480p V and 852x1024
720p SV and 1024x1024
1080i X and 1366x768

To scale to this pixel resolution rate: Press the OUT button to illuminate this LED sequence:

UserDefine2 All LEDs3

1

to choose the desired output resolution. Table 3 and

Table 3: Selecting the Output Resolution

Press the OUT button to illuminate this LED sequence:

Press the OUT button to illuminate this LED sequence:

1 Item 16 in Figure 1
2 Not shown on the front panel
3 Recommended for advanced users only – non-standard settings may not be recognized by the display device

11

Understanding the Seamless Switcher / Scaler

Figure 4: OUT LED Sequence

12

KRAMER: SIMPLE CREATIVE TECHNOLOGY

Understanding the Seamless Switcher / Scaler

6.2 Understanding the PIP Button Feature

The Picture-in-Picture inserter (PIP) is used for the si multaneous display of
video and gra phic sources, and lets you display:

• An inserted video source

• An inserted graphic source

1

PIP over a graphic source2 display

2

PIP over a video source1 display

Your Seamless Switcher / Scaler auto maticall y recognizes and displays only
the relevant sources, as the following 2 examples illustrate:

• Choosing the AV 1 PIP source when the VGA input is selected, will
insert the composite video source over the VGA graphic displayed on the
screen. You can choose a component, YC 1, YC 2 or AV 2 PIP source
(instead of the AV 1). You cannot choose VGA 1, VGA 2 or DVI

• Choosing the VGA 1 PIP source when the AV 1 input is selected, will
insert the VGA graphic source over the composite video displayed on the
screen. You can choose a DVI PIP source
cannot choose AV 2, YC 1, YC 2 or component

6.2.1 Activating the PIP Feature

3

(instead of the VGA 1). You

5

3

4

To activate the PIP (which illuminates the PIP LED), do one of the following:

• Press the PIP button

6

• Switch on the PIP functionality vi a the OSD Me nu (see Figure 35)

• Press the PIP key on the infra-red remote control transmitter (see Figure 49)

When the Source Prompt is ON (see Figure 41), the PIP is enclosed by an
orange frame, and the OSD PIP status appears superimposed over the top
right corner of the screen for a few seconds, as Figure 5 illustrates. After a
few seconds
disappear

7

, the orange frame and the OSD PIP status automatically

8

.

Activating the PIP subsequently cycles between the PIP with the orange
frame and no PIP.

1 That is, composite, s-Video or component
2 That is, DVI or VGA
3 As long as it is connected and switched on. Otherwise, choosing it will display a blank screen
4 As these are graphics sources and you cannot insert a graphics PIP over a graphics source
5 As these are video sources and you cannot insert a video PIP over a video source
6 Item 24 in Figure 1
7 By default, 20 seconds. But you can reset the timeout (from 3 to 60 seconds), see section 7.3.6.6
8 Trying to activate the PIP again while the PIP is still enclosed by an orange frame deactivates the PIP

13

Understanding the Seamless Switcher / Scaler

Figure 5: OSD PIP Status

When the Source Prompt is OFF (see Figure 41), activating the PIP toggles
between the PIP (with no frame and no OSD PIP status) and no PIP.

6.2.2 PIP Characteristics

You can determine the following PIP characteristics:

• PIP Source

• PIP Size (1/4, 1/9, 1/16, 1/25 or split screen)

• Horizontal and Vertical position, placing it anywhere on the screen

6.2.3 Toggling between the PIP and the Screen Source (SWAP)

To toggle back and forth between the PIP content and the screen source
content, do the following:

• Pres s th e S WAP key on the Infra- red rem ote c ont rol t ransm itter ( see Figur e 4 9)
The OSD SWAP status appears superimposed over the top right corner of the
screen for a few seconds

1

, as Figure 6 illustrates

Figure 6: OSD SWAP Status

1 By default, 20 seconds. But you can reset the timeout (from 3 to 60 seconds), see section 7.3.6.6

14

KRAMER: SIMPLE CREATIVE TECHNOLOGY

Understanding the Seamless Switcher / Scaler

6.2.4 Resizing the PIP

To resize the PIP (1/4, 1/9, 1/16, 1/25 or split screen):

• When th e Sou rce Prompt is ON and the PIP is en closed by an orang e f rame,
use the Up and/or Down navigation control keys on the infra-red remote control
transmitter (see Figure 49) or the UP and/or DOWN front panel OSD buttons

• Use the OSD Menu buttons (see Figure 37)

6.2.5 Moving the Position of the PIP

To move the location of the PIP:

• When the Source Prompt is OFF, use the four navigation contro l keys
(see Figure 25) on the infra-red remote control transmitter (see Figure 49)

• When the Source Prompt is ON and the PIP is enclosed by an orange
frame, use the preset position control keys (see Figure 24) on the infra-red
remote control transmitter (see Figure 49), to instantly move the position of
the PIP window to up to nine preset fixed locations

1

. When the Source Prompt

is OFF, the preset position control keys have no effect

6.3 Locking and Unlocking the Front Panel

2

You can lock the front panel

and control from the infra-red remote control

transmitter to safeguard the settings on the VP-720DS or VP-723DS.
To lock the front panel:

3

• Press and hold the MENU front panel OSD butto n

or the MENU key on
the infra-red remote control transmitter (see Figure 49) for a few seconds, until
the Key Lock On OSD status appears superimposed over the top right corner
of the screen for a few seconds

4

, as Figure 7 illustrates

Figure 7: Locking / Unlocking the Front Panel

1 For example, to move to the lower right corner of the image, press the button
2 However, operation via RS-232 serial commands (remote controller or PC) is still available
3 Item 23 in Figure 1
4 By default, 20 seconds. But you can reset the timeout (from 3 to 60 seconds), see section 7.3.6.6

15

Operating the Seamless Switcher / Scaler

To unlock the front panel (releasing the protection mechanism):

• Press and hold the MENU front panel OSD butto n

1

or the MENU key on
the infra-red remote control transmitter (see Figure 49) for a few seconds, until
the Key Lock Off OSD status appears superimposed over the top right corner
of the screen for a few seconds

2

7 Operating the Seamless Switcher / Scaler

Section 7.1 describes how to switch and scale an input. Section 7.2 describes
the methods of controlling the Seamless Switcher / Scaler.

7.1 Switching and Scaling

Section 7.1.1 describes how to switch an input. Section 7.1.2 describes how
to select the output resolution.

7.1.1 Switching an Input

You can switch seamlessly3 between each input4 that is connected to a source,
by pressing the appropriate INPUT SELECTOR button. The OSD status
appears superimposed over the top right corner of the screen for a few
seconds

2

, as Figure 8 illustrates:

Figure 8: OSD Input Status

You can also use the INPUT SELECTOR button to freeze5 the image or to
display a blank screen

6

.

1 Item 24 in Figure 1
2 By default, 20 seconds. But you can reset the timeout (from 3 to 60 seconds), see section 7.3.6.6
3 For glitchless transitions between inputs
4 To set the image transition speed (fast, safe or moderate), see section 7.3.6.5
5 By pressing the INPUT SELECTOR button again when the appropriate LED illuminates
6 By pressing the INPUT SELECTOR button once again when the appropriate LED flashes

16

KRAMER: SIMPLE CREATIVE TECHNOLOGY

Operating the Seamless Switcher / Scaler

7.1.2 Choosing the Output Resolution

You can select the output resolution (choosing t he pixel resolution, as section

6.1 describes), by pressing the OUT button

1

on the front panel or the OUT
key on the infra-red remote control transmitter (see Figure 49). The OSD
status appears superimposed over the top right corner of the screen for a few
seconds

2

, as Figure 9 illustrates3:

Figure 9: OSD Output Status

7.2 Controlling the Sea m le ss Swit c her / Sc al er

You can control the Seamless Switcher / Scaler via:

• The front panel OSD control buttons (see section 7.3)

• The infra-red remote control transmitter (see section 7.3.8)

• RS-232 remote control

7.3 Operating via the OSD MENU Screen

The OSD superimposes a menu on the screen from which you can control your
the VP-720DS or VP-723DS, using the MENU, ENTER, -, +, UP and DOWN
front panel OSD buttons.

Pressing the MENU front panel OSD button or the MENU key on the
infra-red remote control transmitter (see Figure 49) displays the first OSD
screen, the “Menu screen” (see Figure 10), which displays six interactive

4

icons

(defined in Figure 11).

1 Item 16 in Figure 1
2 By default, 20 seconds. But you can reset the timeout (from 3 to 60 seconds), see section 7.3.6.6
3 Adjusting the output resolution results in a corresponding adjustment to the size of the OSD status window
4 Each icon represents a Level 1 function. In addition to Level 1, the OSD structure includes Level 2 (a subset of le vel 1),
Level 3 (a subset of level 2), Level 4 (a subset of level 3) and Range

17

Operating the Seamless Switcher / Scaler

After initially pressing the MENU front panel OSD button or the MENU key
on the infra-red remote control transmitter, each subsequent press moves to
the previous level in the OSD screen (Esc.).

Figure 10: MENU Scree n

Brightness

and

Contrast

7.3.1 Controlling the Brightness and Contrast

Figure 12 illustrates the Brightness and Contrast Screen:

Gamma

and Color

Figure 12: Brightness and Contrast Screen

Source

Figure 11: Menu Screen Icons

Geometry

Utility

Information

18

KRAMER: SIMPLE CREATIVE TECHNOLOGY

Operating the Seamless Switcher / Scaler

7.3.2 Contr o l l ing the Gamma and Color

Figure 13 illustrates the Gamma and Color Screen. You can choo se No rmal
(average setting), Presentation (higher black level), Cinema (higher white
balance), Nature (higher green level), User 1 or User 2.

Figure 13: Gamma and Color Sc re e n

Choosing User 1 or User 2 from the Gamma and Color Screen illustrated in
Figure 13, displays the Gamma, Color Temperature and Color Manager
Screen in Figure 14. Each user setting is customized to the applicable
environment. The user sets the parameters and saves the m fo r recall later.

Figure 14: Gamma, Color Temperature/Manager User 1/2 Screen

19

Operating the Seamless Switcher / Scaler

7.3.3 Selecting the Source

Figure 15 illustrates the Source Screen, displaying the active source, as well
as facilitating changing of the source.

Figure 15: Source Selec tion Scre e n

7.3.4 Controlling the Scale Geometry

Figure 16 illustrates the main Geometry Screen, from which you can scale
and zoom.

Figure 16: Geometry (Scale and Zoom) Screen

Figure 17 illustrates the Geometry (Scale) Screen, from which you can scale
(Aspect Ratio and Nonlinear):

20

KRAMER: SIMPLE CREATIVE TECHNOLOGY

Operating the Seamless Switcher / Scaler

Figure 17: Geometry (Scale: Aspect Ratio and Nonlinear) Screen

Set the aspect ratio according to your specific requirements—the native
resolution—that is, depending on the specifications of the Plasma screen or
projector.

When using a VGA, DVI and/or component video
aspect ratio from the following: Full Screen, Native, 4:3 Output

3

Output
When using a composite video source and/or an s-Video source and/or

component video
Normal, Wide Screen, Pan

.

1

source, you can choose an aspect ratio from the following:

4

& Scan, 4:3 Output2, and 16:9 Output3, as Figure

1

source, you can choose an

2

, and 16:9

18 illustrates:

Figure 18: Geometry (Scal e: Aspect Ratio) Screen

1 Depending on the resolution of the component source
2 In this standard, the ratio between the length and height is 4:3
3 In this standard (a Cinema mode standard used for movies and DVDs), the ratio between the length and height is 16:9 (or
sometimes 1:2.35)
4 Panning the picture refers to resizing and cropping it

21

Operating the Seamless Switcher / Scaler

7.3.5 Adjusting the Zoom Ratio and Position

Figure 19 illustrates the Geometr y (Zoom) Screen:

Figure 19: Geometry (Zoom) Screen

The zoom ratio and the zoom position are illustrated by a small rectangle
inside a transparent pop-up OSD Enlarge status box that appears at the top
right corner of the screen, as the example in Figure 20 illustrates:

Figure 20: OSD Enlarge Status

When you change the zoom ratio or zoom position, the screen image is
adjusted correspondingly, and the change is reflected in the pop-up OSD
Enlarge status box. For example, Figure 21 illustrates a zoom ratio increase
from 200% (Image A) to 400% (Image B):

22

KRAMER: SIMPLE CREATIVE TECHNOLOGY

Operating the Seamless Switcher / Scaler

Figure 21: Zoom Ratio Adjustme nt Exam ple

Figure 22 illustrates how the pop-up OSD Enlarge status box shows a zoom
position adjustment from the top left corner (Image C) to the lower right
corner (Image D):

Figure 22: Zoom Position Adjustment Example

7.3.5.1 Adjusting the Zoom Ratio

You can adjust the zoom ratio to up to 400% via one or both of these methods:

1

• Using the Zoom + and/or the Zoom - control keys

on the infra-red
remote control transmitter (see Figure 49). The pop-up OSD Enlarge status
box continuously displays the zoom ratio and position, as Figure 20 illustrates

• Using the OSD Menu buttons, as Figure 23 illustrates

Figure 23: Geometry (Zoom Ratio) Screen

7.3.5.2 Adjusting the Zoom Position

You can adjust the zoom position (see the example in Figure 22) via one or
more of the following methods:

• Using the preset position control keys

2

(see Figure 24) on the infra-red

remote control transmitter (see Figure 49), which instantly move the positio n

1 The and the buttons
2 Which also set the position for the PIP window location (when the Source Prompt is ON)

23

Operating the Seamless Switcher / Scaler

of the zoom to up to nine preset fixed locations1

Figure 24: Preset Position Control Keys

• Using the navigatio n control keys on the infra-red remote control
transmitter (see Figure 49), to fine tune the zoom position (that is, to slowly
zoom-in at any location on the screen)

2

, as Figure 25 illustrates

Figure 25: Navigation Control Keys

• Using the OSD Menu buttons (see Figure 26)3

Figure 26: Geometry (Zoom Position Adjustment) Screen

7.3.6 Configuring via the Utility Screens

You can determine how your VP-720DS or VP-723DS will function either
generally or on a specific occasion, via the Utility screen settings (see Figure 27):

1 For example, to zoom-in to the lower right corner of the image, press the button
2 For example, to zoom-in toward the lower right of the image, press the

3 For example, to zoom-in to the lower right part of the image instead of the top left part, press the + and DOWN OSD Menu
buttons (items 20 and 19, respectively, in Figure 1) separately, as required

24

and the buttons separately, as required

KRAMER: SIMPLE CREATIVE TECHNOLOGY

Operating the Seamless Switcher / Scaler

Figure 27: Utility Screen

7.3.6.1 Choosing the Graphic Utility Settings

From the Graphic1 Setting Utility screen (see Figure 28), you can set the color
format (see Figure 29), position, saturation, hue, sharpness, frequency and
phase, as well as auto image

2

and auto gain3.

Figure 28: Graphic Setting Utility Screen

Selecting the color format (see Figure 29) lets you select RGB or YUV4
colorspace. When the Default setting is chosen, the colorspace is set
according to the detected input resolution.

1 When a VGA source is selected, “Graphic Setting” will be shown (or “PC Data Setting” in earlier versions). “HDTV Setting”
(illustrated in Figure 46) will appear when an HDTV source is selected
2 Assesses the image and improves the quality accordingly, by automatically adjusting the phase, frequency and position
3 Automatically adjusts the brightness and contrast
4 That is Y, B-Y, R-Y colorspace, also known as Y, Cb, Cr or Y, Pb, Pr

25

Operating the Seamless Switcher / Scaler

Figure 29: Graphic Setting Color Format Utility Screen

7.3.6.2 Choosing the Video Utility Settings

From the Video Setting Utility screen (see Figure 30), you can set the
Standard (see Figure 31), color, hue, sharpness, and position.

Figure 30: Video Setting Utility Screen

Figure 31: Video Setting Standard Utility Screen

26

KRAMER: SIMPLE CREATIVE TECHNOLOGY

Operating the Seamless Switcher / Scaler

7.3.6.3 Choosing the Audio Utility Settings

From the Audio Setting Utility screen (see Figure 32), you can set the
volume, treble, bass, and choose between stereo and mono (see Figure 33).

Figure 32: Audio Setting Utility Screen

Figure 33: Audio Setting Stereo Utility Screen

7.3.6.4 Choosing the PIP Utility Settings

From the PIP Setting Utility screen (see Figure 34), you can activate the PIP
(see Figure 35), and choose the source (see Figure 36), the size (see Figure 37)
and the position of the PIP.

Figure 34: PIP Utility Screen

27

Operating the Seamless Switcher / Scaler

Figure 35: PIP Activation Utility Screen

Figure 36: PIP Source Utility Screen

Figure 37: PIP Size Utility Screen

28

KRAMER: SIMPLE CREATIVE TECHNOLOGY

Operating the Seamless Switcher / Scaler

7.3.6.5 Choosing the Seamless Switch Utility Settings

From the Seamless Switch Utility screen (see Figure 38), you can choose the
image transition speed Mode

1

, set the Background screen color2 when there is
no active source (Black or Blue), and activate (finds the active source) or
deactivate (displays the source selected p rior to p ower down) the Auto Sear ch:

Figure 38: Seamless Switch Utility Screen

7.3.6.6 Choosing the OSD Utility Settings

From the OSD Setting Utility screen (see Figure 39), you can set the OSD
position, time out, size (see Figure 40), source prompt
choose the blank color

2

(blue or black - see Figure 42).

3

(see Figure 41), and

Figure 39: OSD Setting Utility Screen

1 FAST (an immediate switch, without checking the resolution. However, the image transition may appear unstable), SAFE (a
smooth image transition - the input resolution at the input is checked and outputted after a few seconds delay, but it takes
longer than fast) or MODERATE (between fast and safe)
2 You can select the screen color (black or blue) when there is no ac tive source and also the “blank” screen color. For
example, blue, if no active source is found (<Seamless Switch> <Background> <Blue>); and a black blan k screen (<OSD
Setting> <Blank Color> <Black>), when taking a break during a presentation
3 We recommend that you set the source prompt ON, when adjusting the system. During a presentation, set the source prompt
OFF to avoid the appearance of OSD screen labels

29

Operating the Seamless Switcher / Scaler

Figure 40: OSD Size Utility Screen

Figure 41: OSD Source Prompt Activation Utility Screen

Figure 42: OSD Blank Color Utility Screen

7.3.6.7 Choosing the Output Utility Settings

From the Output Setting Utility screen (see Figure 43), you can set the
resolution (see Figure 44), refresh rate (see Figure 45), and a user definable
output mode

1

(see Figure 46 and Table 4).

1 Recommended for advanced users only – non-standard settings may not be recognized by the display device

30

KRAMER: SIMPLE CREATIVE TECHNOLOGY

Operating the Seamless Switcher / Scaler

Figure 43: Output Setting Utility Screen

Figure 44: Output Setting Resolution Utility Screen

Figure 45: Output Setting Refresh Rate Utility Screen

31

Operating the Seamless Switcher / Scaler

Figure 46: Output Setting User Mode Setting Utility Screen

Table 4: User Mode Setting Definitions

User Mode Setting Definitions

HT: Horizontal total

HW: Horizontal sync pulse width

HS: Horizontal active start point
HA: Horizontal active region
HP: Horizontal polarity

VT: Vertical total

VW: Vertical sync pulse width

VS: Vertical active start point
VA: Vertical active region
VP: Vertical polarity

OCLK: Output clock

7.3.6.8 Choosing Factory Reset

From the Factory Reset Utility screen (see Figure 47), you ca n reset your
VP-720DS or VP-723DS to its preset default setting:

Figure 47: Factory Reset Utility Screen

32

KRAMER: SIMPLE CREATIVE TECHNOLOGY

Operating the Seamless Switcher / Scaler

7.3.7 Verifying Configuration Details via the Information Screen

From the Information screen (see Figure 48), you can verify the main source,
PIP source, whether mute is activated, output mode, as well as the firmware
version number:

Figure 48: Informati on Sc re e n

7.3.8 Operating via the Infra-red Remote Control Transmitter

You can control the Seamless Switcher / Scaler remotely, from the Infra-red
remote control transmitter, which:

• Is a hand held wireless instrument with a convenient keypad

• Receives its power from 2 AAA size 1.5V DC batteries

• Has a range of up to 15 mete rs

• Delivers instantaneous results

Figure 49 and Table 5 define

1

the Infra-red Remote Control Transmitter:

1 The illustration in Figure 49 shows an enlarged view of 3 separate parts of the Infra-red remote control transmitter

33

Operating the Seamless Switcher / Scaler

Figure 49: Infra-red Remote Control Transmitter

34

KRAMER: SIMPLE CREATIVE TECHNOLOGY

Operating the Seamless Switcher / Scaler

Table 5: Infra-red Remote Control Transmitter Functions

OUT Selects the output resolution and illuminates the appropriate LED
FREEZE Pauses the output video
POWER Cycles power
INPUT SELECTOR*

INFO. Defines the main source, PIP source, whether mute is activated, output

PRESET POSITION
CONTROL

AUTO IMAGE Assesses the image and improves the quality accordingly, by automatically

MENU Displays the OSD Menu screen4 and locks/unlocks the front panel5
NAVIGATION CONTROL6 Allow maneuvering within an OSD screen (all keys); adjusts the zoom

AUTO GAIN Automatically adjusts the brightness and contrast
SWAP7 Toggles between the PIP content and the screen source content
PIP8 Selects the picture-in-picture function and illuminates the PIP LED
CONT. Displays the contrast status9
BRIGHT. Displays the brightness status9
AUDIO/ZOOM CONTROL6 Allow volume and zoom control
MODE Toggles between each of the following modes:

SCALE Toggles between each of the following Aspect Ratios:

Keys Function

7 separate keys for selecting each of the following sources: AV1, AV2,

COMP. (Component) YC 1, YC2 , VGA, and DVI

mode, as well as the firmware version number

1

Adjusts the zoom

Prompt is ON

adjusting the phase, frequency and position

position (4 keys); moves the PIP location when the Source Prompt is OFF
(4 keys); resizes the PIP when the Source Prompt is ON (2 keys)

Normal, Presentation, Cinema, Nature, User 1 and User 2

Normal, Wide Screen, Pan & Scan, 4:3 Output, and 16:9 Output

2

position3 or moves the PIP position when the Source

10

* Press to select the source; the LED illuminates. Press again to freeze
the image; the LED flashes. Press once again to display a blank screen;
the LED flashes more slowly.

1 Consists of a set of 9 separate keys. See the illustration in Figure 49 which shows an enlarged view of this part of the
Infra-red remote control transmitter
2 A small rectangle inside a transparent pop-up OSD Enlarge status box appears at the top ri ght corner of the screen showin g
the position of the zoom within a picture
3 For example, when enlarging the display, press this button:
4 As Figure 10 illustrates
5 See section 6.3
6 Consists of a set of 5 separate keys. See the illustration in Figure 49 which shows an enlarged view of this part of the
Infra-red remote control transmitter
7 See section 6.2.3
8 See section 6.2
9 Adjust using the +/- keys
10 See Figure 18

to go to the lower right corner of the display area

35

Technical Specifications

7.4 Upgrading Firmware

To install the latest Kramer firmware version on a VP-720DS/VP-723DS unit,
connect the COM port on your PC to the RS- 232 port on the unit, as section 5.1
describes, and go to the Kramer Web site at http://www.kramerelectronics .com.

8 Technical Specifications

Table 6 includes the technical specifications:

Table 6: Technical Specifications1 of the VP-720DS/VP-723DS

Inputs:

Outputs:

Output

Resolutions:

Control: Front panel buttons/ OSD, IR remote control , RS -2 32 on a DB -9 con nector
Additional

Controls:

Firmware: Frame freeze, digital zoom 4X, PIP (video-in-graphics or graphics-in-video, in sizes

H Frequency: 15.63~90kHz
V Frequency: 50~100Hz
Computer Resizing: Auto-resizing to panel pixel number
RGB Video Signal:
RGB Sync Signal: Separate H/VTTL, composite sync, analog
Audio Input/Output

Voltage:
Plug and Play: DDC1 / DDC2B
De-interlacing: Adaptive and pixel based
Film mode detection: 2:2 / 3:2 pull down reverse
Power Source: 100-240 VAC, 50/60 Hz, 30VA automatic power supply
Dimensions: 19" (W), 9.3" (D) 1U (H) rack mounta bl e2
Accessories: IR remote control, power cord3
Weight: 3 kg (6.6 lbs.) approx.

VIDEO: 2 x composite video 1 Vpp/75 Ω on RCA connectors; 2 x Y / C (s- Video ) 1 Vpp (Y ) ,

0.3Vpp (C) / 75 Ω on 4 pin connector s; 1 x Component (Y, Pb/Cb, Pr/Cr) on RCA connectors;
1x VGA (VGA/SVGA/XGA/UXGA) on an HD15F connector; and 1x DVI connector
AUDIO: 3 x stereo audio on RCA connectors (for VIDEO 1, VIDEO 2 and
COMPONENT) and 1x PC audio on a 3.5m m mini sock et

VIDEO: 1 x VGA/SVGA/XGA/UXGA (additional modes: 480p, 720, 1080i with the
VP-723DS) on an HD15F co nne cto r
AUDIO: 1 x stereo audio on RCA connectors

VGA (640x4 80), SVGA (800x600), XGA (1024x768), SXGA (1280x1024), UXGA
(1600x1200), 1024x852, 1024x1024, 1366x768, 1365x1024, 1280x720, 720x483,
852x480, 1400x1050, as well as a user defina ble out put mode.
The VP-723DS also supports 480p, 720p, and 1080i

Different vertical refresh rates, ProcAmp control, output image scaling and aspect
ratio change

of up to half a screen, located anywhere on the screen), Flesh tone (special color
processing), Gamma setting

RGB, 1.0 Vpp, 75 Ω

0~0.5 Vrms

1 Specifications are subject to change without notice
2 When installing a Kramer machine on a closed or multi-unit rack assembly, be aware that the operating ambient temperature
of the rack environment may be greater than r oom ambient. In particular, ta ke care that ther e is sufficient air flow. (Refer to
the "Operating Conditions.pdf" file on our Web site at http://www.kramerelectronics.com (click "FAQs" in the Technical
Support section))
3 We recommend that you use only the power cord that is supplied with this machine

36

KRAMER: SIMPLE CREATIVE TECHNOLOGY

Communication Protoc ol

9 Communication Protocol

The Com port setting details are: Baud Rate: 9600/115200, Parity: none, Data Bits: 8 bits, Stop Bits: 1 bit, Set CTS Mode:
Off, and Set XON/XOFF: Off.

Table 7: RS-232 Protocol

Field 1 Field 2 Field 3 Field 4 Field 5

"L" " " "Code" "~Code" 0x0d

"L" ASCII Code, 1 byte " " ASCII space, 1 byte "xx" Code Str, 2 byte

Example: Menu On Command is"L 12ED" + Enter

Table 8: RS-232 Communication Code

Item Code Code(Hex) ~Code(Hex) Function Command

19 18 0x12 0xED Menu On/Off L 12ED
20 19 0x13 0xEC Volume + L 13EC
21 20 0x14 0xEB Volume - L 14EB
22 21 0x15 0xEA Source L 15EA
23 22 0x16 0xE9 VGA1 L 16E9
24 23 0x17 0xE8 VGA2 L 17E8
25 24 0x18 0xE7 DVI L 18E7
26 25 0x19 0xE6 Component L 19E6
27 26 0x1A 0xE5 Video 1 L 1AE5
28 27 0x1B 0xE4 Video 2 L 1BE4
29 28 0x1C 0xE3 Freeze L 1CE3
30 29 0x1D 0xE2 PIP L 1DE2
31 30 0x1E 0xE1 Auto Image L 1EE1
32 31 0x1F 0xE0 Auto Gain L 1FE0
33 32 0x20 0xDF Zoom + L 20DF
34 33 0x21 0xDE Zoom - L 21DE
35 34 0x22 0xDD Mute L 22DD
36 35 0x23 0xDC Brightness L 23DC
37 36 0x24 0xDB Contrast L 24DB
38 37 0x25 0xDA Mode L 25DA
39 38 0x26 0xD9 Normal L 26D9
41 40 0x27 0xD8 Presentation L 27D8
40 39 0x28 0xD7 Cinema L 28D7
42 41 0x29 0xD6 Nature L 29D6
43 42 0x2A 0xD5 USER 1 L 2AD5
44 43 0x2B 0xD4 USER 2 L 2BD4
45 44 0x2C 0xD3 SWAP L 2CD3
46 45 0x2D 0xD2 Scale L 2DD2
47 46 0x2E 0xD1 Normal L 2ED1
48 47 0x2F 0xD0 WideScreen L 2FD0
49 48 0x30 0xCF Pan & Scan L 30CF
50 49 0x31 0xCE 4:3 L 31CE
51 50 0x32 0xCD Up L 32CD
52 51 0x33 0xCC Down L 33CC
53 52 0x34 0xCB Left L 34CB
54 53 0x35 0xCA Right L 35CA
55 54 0x36 0xC9 Enter L 36C9

"xx" is 1's complement of
Code str, 2 byte 0x0d, 1 byte

37

Communication Protoc ol

56 55 0x37 0xC8 Status L 37C8
57 56 0x38 0xC7 Enter+UP L 38C7
58 57 0x39 0xC6 C-Video 1 L 39C6
59 58 0x3A 0xC5 C-Video 2 L 3AC5
60 59 0x3B 0xC4 S-Video 1 L 3BC4
61 60 0x3C 0xC3 S-Video 2 L 3CC3
62 61 0x3D 0xC2 OUT L 3DC2
63 62 0x3E 0xC1 Blank L 3EC1
68 70 0x46 0xB9 Factory Reset L 46B9
69 71 0x47 0xB8 Key Lock L 47B8
70 72 0x48 0xB7 Wake up L 48B7
71 73 0x49 0xB6 Standby L 49B6
72 176 0xB0 0x4F PIP On L B04F
73 177 0xB1 0x4E PIP Off L B14E
74 178 0xB2 0x4D Freeze On L B24D
75 179 0xB3 0x4C Freeze Off L B34C
76 180 0xB4 0x4B Mute On L B44B
77 181 0xB5 0x4A Mute Off L B54A
78 182 0xB6 0x49 Blank On L B649
79 183 0xB7 0x48 Blank Off L B748
80 184 OxB8 0x47 Key Lock On L B847
81 185 0xB9 0x46 Key Lock Off L B946
82 186 0xBA 0x45 Output Resolution L BA45 ** ** is Resolution index
VP-719DS/VP-720DS VP-723DS/VP-724DS
640x480 L BA45 00 640x480 L BA45 00
800x600 L BA45 01 800x600 L BA45 01
1024x768 L BA45 02 1024x768 L BA45 02
1280x1024 L BA45 03 1280x1024 L BA45 03
1600x1200 L BA45 04 1600x1200 L BA45 04
852x1024i L BA45 05 852x1024i L BA45 05
1024x1024i L BA45 06 1024x1024i L BA45 06
1366x768 L BA45 07 1366x768 L BA45 07
1365x1024 L BA45 08 1365x1024 L BA45 08
1280x720 L BA45 09 1280x720 L BA45 09
720x483 L BA45 10 720x483 L BA45 10
852x480 L BA45 11 852x480 L BA45 11
1400x1050 L BA45 12 1400x1050 L BA45 12
User Define L BA45 13 480P L BA45 13
720P L BA45 14
1080i L BA45 15
User Define L BA45 16
81 227 0xE3 0x1C PIP Size L E31C ** ** is PIP size index

38

KRAMER: SIMPLE CREATIVE TECHNOLOGY

Communication Protoc ol

Table 9: RS-232 Read Command

Command Sent Return

Source K 15EA VGA1 K 16E9

Freeze K 1CE3 Freeze On K B24D
Freeze Off K B34C
PIP K 1DE2 PIP On K B04F
PIP Off K B14E
Mute K 22DD Mute On K B44B
Mute Off K B54A
Blank K 3EC1 Blank On K B649
B lank Off K B748
Key Lock K 47B8 Key Lock On K B847
Key Lock Off K B946
Output Resolution K BA45 640x480 K 00FF
800x600 K 01FE
1024x768 K 02FD
1280x1024 K 03FC
1600x1200 K 04FB
852x1024i K 05FA
1024x1024i K 06F9
1366x768 K 07F8
1366x1024 K 08F7
1280x720 K 09F6
720x483 K 0AF5
852x480 K 0BF4
1400x1050 K 0CF3
480P K 0DF2
720P K 0EF1
1080i K 0FF0
User Define K 10EF
VGA/DVI Resolution K E01F 640x480 K 00FF
NTSC 60 K 01FE
PAL 50 K 02FD
720x400 K 03FC
800x600 K 04FB
832x624 K 05FA
1024x768 K 06F9
1024x800 K 07F8
1152x870 K 08F7
1280x960 K 09F6
1280x1024 K 0AF5
1600x1200 K 0BF4
1280x720P K 0CF3
853x480P K 0DF2
1920x1080I K 0EF1
720x576P K 0FF0
1152x900 K 10EF
1400x1050 K 11EE
No S ignal K FF00
VGA/DVI Refresh rate K E11E Refresh rate(Hex) K ##&& ## is Value,&& is ## invert
No S ignal K FF00
Video Standard K E21D NTSC K 01FE
NTSC 4.43 K 02FD
PAL K 03FC
PAL N K 04FB
PAL M K 05FA
SECAM K 06F9
PAL 60 K 07F8
NTSC 4.43 50 K 08F7
No S ignal K FF00
PIP Size K E31C 1/25 K 00FF
1/16 K 01FE
1/9 K 02FD
1/4 K 03FC
Split K 04FB
PIP H position K E41B H position(H ex) K ##&& ## is Value,&& is ## invert
PIP V position K E51A

VGA2 K 17E8
DVI K 18E7
Component K 19E6
C-Video 1 K 39C6
C-Video 2 K 3AC5
S-Video 1 K 3BC4
S-Video 2 K 3CC3

V position(He x ) K ##&& ## is Value,&& is ## invert

39

LIMITED WARRANTY

Kramer Electronics (hereafter Kramer) warrants this product free fr om defects in material and workmanship under the
following terms.

HOW LONG IS THE WARRANTY

Labor and parts are warranted for three years from the date of the first customer purchase.

WHO IS PROTECTED?

Only the first purchase customer may enforce this warranty.

WHAT IS COVERED AND WHAT IS NOT COVERED

Except as below, this warranty covers all defects in material or workmanship in this product. The following are not covered
by the warranty:

1. Any product which is not distributed by Kramer, or which is not purchased from an authorized Kramer dealer. If you are
uncertain as to whether a dealer is authorized, please contact Kramer at one of the agents listed in the web site
www.kramerelectronics.com.

2. Any product, on which the serial number has been defaced, mod ified or removed.

3. Damage, deterioration or malfunc tion result i ng from:
i) Accident, misuse, abuse, neglect, fire, water, lightning or other acts of nature
ii) Product modification, or failure to follow instructions supplied with the product

iii) Repair or attempted repair by anyone not authorized by Kramer
iv) Any shipment of the product (claims must be presented to the carrier)
v) Removal or installation of the product
vi) Any ot he r cause, which do es not re late to a pr oduct d efect
vii) Cartons, equipment enclosures, cables or accessories used in conjunction with the product

WHAT WE WILL PAY FOR AND WHAT WE WILL NOT PAY FOR

We will pay labor and material expenses for covered items. We will not pay for the following:

1. Removal or insta llations charges.

2. Co sts of initial technical adjustments (set-up) , including adjustment of user contro ls or programming. These costs are the
responsibility of the Kramer dealer from whom the product was purchased.

3. Shipping charges.

HOW YOU CAN GET WARRANTY SERVICE

1. To obt ain service on you product, you must take or ship it prepaid to any authorized Kramer service center.

2. Whenever warrant y service is requ ired, the origina l dated invo ice (or a copy) must be presented as proof of warr anty coverage,
and should be included in any shipment of the product. Please also include in any mailing a contact name, company, address, and
a description of the problem(s).

3. For t he name of the nearest Kra mer autho r ized service center , co nsult your autho r ized dealer.

LIMITATION OF IMPLIED WARRANTIES

All implied warranties, including warranties of merchantability and fitness for a particular purpose, are limited in duration to
the length of this warranty.

EXCLUSION OF DAMAGES

The liability of Kramer for any effective products is limited to the repair or replace ment of t he product at our option. Kramer
shall not be liable for:

1. Damage to other pro perty caused by defects in this pro duct, da mages based upon inconve nience, loss of use of the product, loss
of time, c ommercial loss; or:

2. Any o t her da mage s, w het her in cid ent al, co nse que nt ial or ot herw ise. S ome co untr ies ma y no t a llow limit at ions o n ho w lo ng a n
implied warranty lasts and/or do not allow the exclusion or limitation of incidental or co nsequential damages, so the above
limitations and exclusions may not apply to you.

This warranty gives you specific legal rights, and you may also have other rights, which vary from place to place.
NOTE: All products returned to Kramer for service must have prior approval. This may be obtained from your dealer.
This equipment has been tested to determine compliance with the requirements of:
EN-50081: "Electromagnetic compatibility (EMC);

EN-50082: "Electromagnetic compatibility (EMC) generic immunity standard.

CFR-47: FCC Rules and Regulations:

CAUTION!

⌦ Servicing the machines can only be done by an authorized Kramer technician. Any user who makes changes or modifications to

the unit without the expressed approval of the manufacturer will void user authority to operate the equipment.

⌦ Use the supplied DC power supply to feed power to the machine.
⌦ Please use recommended interconnection cables to co nnect the machine to ot her components.

generic emission standard.
Part 1: Residential, commercial and light industry"

Part 1: Residential, commercial and light industry environment".

Part 15: “Radio frequency devices
Subpart B – Unintentional radiators”

40

KRAMER: SIMPLE CREATIVE TECHNOLOGY

For the latest information on our products and a list of Kramer

distributors, visit our Web site: www.kramerelectronics.com.

Updates to this user manual may be found at

http://www.kramerelectronics.com/manuals.html.

We welcome your questions, comments and feedback.



Kramer Electronics, Ltd.

3 Am VeOlamo Street. Jerusalem 95463, Israel Tel: [phone]

Fax: [phone], E-mail: [e-mail]

P/N: 2900 – 007004 REV 4