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Operations
[ Note: All adjustments must be properly performed before operation.]
Voice Communication
Your ARD9900 is capable of Digital or Analog Voice Communications. In the receive
mode, the ARD9900 will automatically recognize the type of communication, and set
itself to the appropriate mode. In the transmit mode, the desirered operating mode can
be selected by using the front panel Mode switch.
Digital Voice Communication
Set the mode switch [10101 ~ ] upward to the digital mode position [10101].
Rotate the Channel switch on the front panel to select the desired communication code
setting. Press and hold the PTT switch on the microphone. The STA (Status) LED will
flash for about 0ne (1) second while sending a data header signal. When the LED stops
flashing, speak into the microphone normally.
Analog Voice Communication
Set the mode switch [10101 ~ ] downward to the analog mode position [~] .
Press and hold the PTT switch on the microphone, and speak into the microphone
normally.
[ Note: The front Channel switch setting will be ignored in the Analog Voice Communication
mode.]
Force Receive
While in the Non Encription mode (80) or Fixed code encryption mode (00) and a
Header signal is not properly received during communication, you can "force" the
ARD9900 to receive in the digital voice under following conditions:
The communication mode is in the Non Encrption mode (80) or the Fixed
Encrption mode (00).
The frequency difference between both parties is within +/- 125 Hz.
Both parties must have the same communication settings.
[Procedures]
Set the mode switch [10101 ~ ] upward to the analog mode position [ ~ ].
1.
Press and hold the TX switch for about 5 ~ 10 seconds until an audio
2.
signal is heard from the speaker.
Once an audio signal is obtained, release the TX switch.
3.
Data Communication
Run a terminal software program to control the ARD9900, and enter control commands.
[Refer to: Control Commands at page 27 for details.]
Two different types of data, ASCII or binary data, can be used.
Both data types can be mixed as communication data.
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