8
Baud Rate:
9600
Data bit:
8
Start bit:
1
Stop bit:
1
Parity:
None
Synchronization: Asynchronous
Flow control: Hardware
l.
VIDEO - IN connector (75
Ω
) (RCA type connector)
Connect a video signal source such as a digital camera.
m. VIDEO – OUT connector (75
Ω
) (RCA type connector)
Connect a video monitor to this connector to monitor a received image or a
picture to be sent.
n. RADIO Connector
Using the supplied 8 pin connector, connect the ARD9900 to your radio equipment.
You will need to wire a cable according to the microphone connector specifications
of your radio.
Below are the pin assignments of the connector on the ARD9900.
Pin number
Signal
Details
1
MIC GND
Microphone ground
2
MIC OUT
Microphone Output
3
PTT
PTT (Push To Talk) output
4
GND
PTT ground
5
NC
No connection
6
NC
No connection
7
GND
Ground
8
NC
No connection
(
Caution
: MIC GND and GND must not be connected together in the ARD9900
connector, or RF feedback will result.
o. SP IN Connector (3.5 mm mono jack)
Connect to the radio equipment’s external speaker jack.
(Input level: 0.5 V – 5 V p-p)
p. SP OUT Connector (3.5 mm mono jack)
Connect an external speaker to this jack to disable internal speaker.
q. DC IN Connector (EIAJ Type 4)
Connect to a regulated power supply. (10.7 ~ 16.0 V DC, Center pin – positive)
For lower voltage battery operation, set the internal jumper terminal for battery
operation, and then connect external batteries .
