Gefen GTB-HD-DCR, User Manual, Page: 22 / 29

OPERATING THE DAISY CHAIN HD SYSTEM
Diagram showing RS-232 control using Broadcast Mode
1. Launch a terminal-emulation program (e.g. HyperTerminal, etc) and configure the serial
port using the settings provided on page 25. Make sure that the terminal baud rate is set
to 9600.
2. Enter configuration mode by pressing the following key combinations:
[CTRL] + C, [CTRL] + X, [CTRL] + Z
3. The following information will be displayed in the terminal window:
[Press Enter, then Set baudrate as 115200 to enter CMD mode
send msg0 [8100]
Since we already set the (host) baud rate in Step 1, we can ignore this portion of the
message.
4. Press the [ENTER] key to display the command prompt.
boot#
Receiver
Sender
to Hi-Def source
RS-232 controller
(Computer)
Splitter
Display
RS-232 device
(GTV-AUDDEC-N)
RS-232 device
(GTV-AUDDEC-N)
Display
GTV
-AUDDEC-N
GTV
-AUDDEC-N
TIP: The equivalent hex codes for each of these key combinations
can also be used to place the system in
configuration mode
.
[CTRL] + C = 0x03
[CTRL] + X = 0x18
[CTRL] + Z = 0x1A
Example - Unicast Mode