
VP-427UHD Quick Start Guide
This guide helps you install and use your VP-427UHD for the first time.
VP-427UHD HDMI/HDBT Receiver/Switcher/Scaler
Lights green when the HDMI™ input is selected, blue when HDBT is selected and flashes if
no input signal is detected.
Press to select the remote HDBT or the local HDMI source.
Lights green when an HDMI acceptor is connected.
Lights green when an HDBT link between a transmitter and the receiver is successfully
established and is active.
Lights green when the unit is powered from the local 12V DC source and lights blue when
receiving PoE via HDBT.
Press to enter the OSD menu. When in OSD, press to exit one level up.
When not in OSD, press ENTER to view the input status on the display (the selected input,
Press and hold for about 3 seconds to reset a menu parameter to its default values.
Press and hold together with the + button to reset the output resolution to 1080p (default).
press together with ENTER to speed up parameter decrement).
Press and hold together with the – button to reset the output resolution to 1080p (default).
value (or press together with ENTER to speed up parameter increment).
Lights green when freezing the image.
Connects to an HDBaseT transmitter.
Connect to an HDMI source.
Connects to an HDMI acceptor.
AUDIO OUT 5-pin Terminal
Block Connector
Connect to a balanced or unbalanced stereo audio acceptor.
15
S/PDIF digital audio output
Connect to a digital audio acceptor.
Connect to an IR Sensor (in) or Emitter (out) to control a remote device.
Scan for full manual
Go to www.kramerav.com/downloads/VP-427UHD to download the latest user manual and check if firmware
upgrades are available.
Step 1: Check what’s in the box
Step 2: Get to know your VP-427UHD
resolution and frame rate, HDCP state and aspect ratio).
When in OSD, press to select and carry out a menu item or to accept a parameter value.
Press and hold together with the – or + to increase the speed of parameter-decrement or
increment, respectively.
In OSD, press to move back through the menu list or to decrement a parameter value (or
When not in OSD: press to freeze the image;
In OSD, press to move forward through the sub-menu list or to increment the parameter

Connect via a LAN to a PC to control the VP-427UHD and/or extend Ethernet signals to the
HDBT transmitter via the HDBT IN port.
RS-232 Terminal Block
Connector
Connects to a controller to control the VP-427UHD or to extend RS-232 signals between the
VP-427UHD and the RS-232 port of the connected HDBT transmitter.
+12V DC connector for powering the unit.
Install VP-427UHD using one of the following methods:
• Ensure that the environment (e.g., maximum ambient temperature &
• Maximum mounting height for the device is 2 meters.
To achieve specified extension distances, use the recommended Kramer cables
Safety Instructions (See www.kramerav.com for updated safety information)
• Disconnect the power and unplug the unit from the wall before installing.
Example: (get device model): #MODEL?<CR>
The terms HDMI, HDMI High-Definition Multimedia Interface, and the HDMI Logo are trademarks or registered trademarks of HDMI Licensing Administrator, Inc.
Step 3: Mount VP-427UHD
• Attach the rubber feet and place the unit on a flat surface.
• Fasten a bracket (included) on each side of the unit and attach it to a flat surface
www.kramerav.com/downloads/VP-427UHD).
(see
• Mount the unit in a rack using the recommended rack adapter
(see
www.kramerav.com/product/VP-427UHD).
• Maximum mounting height for the device is 2 meters.
air flow) is compatible for the device.
• Avoid uneven mechanical loading.
• Appropriate consideration of equipment nameplate ratings should be
used for avoiding overloading of the circuits.
• Reliable earthing of rack-mounted equipment should be maintained.
Step 4: Connect inputs and outputs
Always switch OFF the power on each device before connecting it to your VP-427UHD. For best results, we recommend that
you always use Kramer high-performance cables to connect AV equipment to the VP-427UHD.
To a balanced stereo
audio acceptor:
To an unbalanced
stereo audio acceptor:
-party cables may cause damage!
Step 5: Connect power
Connect the power cord to VP-427UHD and plug it into the mains electricity.
• For products with relay terminals and GPI\O ports, please refer to the permitted rating for an external connection, located next to the terminal or in the User Manual.
• There are no operator serviceable parts inside the unit.
:
• Use only the LPS power supply/cord supplied with the unit.
Step 6: Operate VP-427UHD
Operate the
:
• Toggle the HDBT/HDMI front panel
button to select the input.
• Control device via OSD menu or remotely
by RS-232 serial commands or Ethernet
transmitted by a touch screen system,
PC, or other serial controller.
• Control remote devices on the
transmitter via RS-232, IR or Ethernet
signal extension.
available at www.kramerav.com/product/VP-427UHD.
RS-232 Control / Protocol 3000?
Default Ethernet Parameters