KIT-400 Quick Start Guide
This guide helps you install and use your KIT-400 for the first time.
Go to www.kramerav.com/downloads/KIT-400 to download the latest user manual and check if firmware
upgrades are available.
Step 1: Check what’s in the box
KIT-400, including:
KIT-400T 4K HDMI/PC Auto Switcher Transmitter
and KIT-400R 4K HDBT/HDMI Receiver/Scaler
Step 2: Get to know your KIT-400
KIT-400T
Press to select the IN 1 input.
Lights red when the analog audio is selected; lights green when the embedded
audio is selected.
Connect to an HDMI source.
Press to select the IN 2 input.
Lights red when the analog audio is selected; lights green when the embedded
audio is selected.
Connect to an HDMI source.
Press to select the IN 3 input.
Lights red when the analog audio is selected; lights green when embedded audio
from embedded HDMI is selected, see Step 4: Connect inputs and outputs.
Connect to a PC graphics source.
Connect to an unbalanced, stereo audio source (for example, the audio output of
the laptop).
Press to select the inputs on KIT-400R:
• Button lights – HDMI INPUT on KIT-400R is selected as the input.
• Button off – The selected input on KIT-400T is routed via HDBT.
Lights green when the device is powered by a power adapter; lights red when
power is provided via PoC.
AUDIO OUT 3.5mm Mini Jack
Connect to the unbalanced, stereo audio acceptor (for example, active speakers).
Connect to the LAN (Ethernet traffic or PC controller).
CONTROL 3-pin Terminal
Block Connector
Connect to a serial controller or PC.
DATA 3-pin Terminal
Block Connector
Connect to a serial data source or acceptor.
Remote Contact-closure 4-pin
Terminal Block Connector
Connect to contact closure switches (by momentary contact between the desired
pin and GND pin) to select an input, the remote IN 4 and audio volume (up or
down), see Step 6: Operate KIT-400.
Short press: sends a reset command to KIT-400R and then reboots KIT-400T.
Long press: resets KIT-400R to its factory default parameters and then resets
KIT-400T to its factory default parameters.