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Controls and functions
Front Panel
a.
Power on/off switch
b.
TX switch
This switch performs two functions:
1. In the Digital Image Communication mode:
Note: When the Video Through Function is activated (AVT command
is ON), pressing this switch will enable output of the video signal
connected to the Video Input to also be sent to the video output
port, so that you can monitor the transmitted video image.
through the radio equipment.
command is OFF),
pressing this switch will automatically capture the video image and then transmit
it through the radio equipment.
(
Refer to: Operation -- Digital Image Communication at page 16 for details.)
2.
Digital Voice Communication mode (non encryption or fixed scramble
Caution: Frequency tolerance for both parties must within the range of +/- 125 Hz.
(Refer to Operation -- Digital Voice Communication "force receive" on page 16 for details).
c.
Bus LED (two colour)
Illuminated red
Blinking
red
Illuminated Green
Unlit
d.
Status LED (STA LED) (orange)
Lit when unsent data remains in the memory.
It is illuminated when the Video Through Function is activated in digital video
communication mode.
It is not lit when Video Through Function is deactivated by the dedicated
F
A
S
T
R
A
R
D
9
9
0
0
• b
• ›
POWER
TX
BUS
STA
a
c
d e
b
Set the mode switch to [10101] (digital mode).
Press this switch to capture and send an image.
Press this switch again to capture and send the image
When the Video Through Function is de-activated (AVT
code mode)
Set the mode switch to [~] (analogue mode).
Press and hold this switch to force the ARD9900 to decode digital
voice signals.
The unit is in the transmit mode.
In the digital communication mode, it blinks while the
header information is being sent (approximately one
[1] second).
The unit is in the receive mode.
The unit is in the receive standby mode or in the
analogue voice receive mode.
A
D
O I
M
O
D
E
M
Min
Max
SP
MODE
CHAN
OVER
h
f
g
10101
MIC
j
i
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