
Reference Manual D VA 3120 Version1.1
Page 18
Set Dual 1:4 or 1:8 mode
The D VA 3120 module can be set to one of two
preset modes of operation.
Dual 1:4 Mode
. This is a simple 2 x 1 to 4 video
amplifier. Independent channels passed through
the amplifier providing four outputs for each input
channel.
Single 1:8 Mode
. This is a simple 1 x 1 to 8 Video
amplifier. The signal on the
IN 1
input channel is
passed through the amplifier providing eight
outputs.
Use this procedure to select dual 1:4 or single 1:8
mode of operation.
1.
Set Switch 1 to
ON
for 1:8 mode* or
OFF
for dual
1:4 mode
2.
If 10 seconds pass with no further adjustment
both channel status LEDS will flash yellow four
times. This confirms setting has been written into
flash ram and stored.
*
When in 1: 8 mode the IN 2 channel indicator will go out.
UP DN
4
DIP SWITCH
BUTTONS
ON
OFF
3
2
1
Note.
Diagram only
shown for switch
location reference
not actual settings