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AR-210 Manual
This section of the manual describes some operational tests you can perform to make sure your
TNC is connected and operating properly.
PRELIMINARY TESTS
Make sure you have the TNC connected to a suitable power source. Also make sure you have the
TNC connected to your computer as described in the "INSTALLATION" section of this manual.
1. Turn the computer on and boot up any necessary terminal emulation program.
2. Turn the POWER switch ON. The PWR LED should light. Some of the other LEDs may light
briefly and then extinguish.
If your computers data rate is set to 1200 baud, you will see the following messages:
AOR data controller AR-120
AX.25 Level 2 Version 2.0
Message board Ver 1.28E
Release 15-Mar-92
Checksum $ F4
cmd:
If your computers baud rate is set to something other than 1200 baud, you will see meaning-
less characters.
ADJUSTMENTS
The following steps check the basic operation of the controller.
1. Make sure your radio is connected to the controller as described in the "Operation" section of
this manual.
2. Type
MY W6YEY
followed by a [
monitor should reply with
cmd: W6YEY
MYCALL was NOCALL
3. If your radio had a squelch control, un-squelch your receiver.
4. Advance the receivers volume control until DCD LED (Green LED) on the controller just lights
when no signal is present. This is the proper initial setting of the receivers volume control.
5. Turn the radios squelch control until the DCD LED just extinguishes.
6. Listen for packet activity and readjust the receivers volume control as necessary until you re-
ceive packets properly.
The output level from the controller has been factory set at 150 mV peak-to-peak, which
should be satisfactory for most radios. If however, you find that this not correct for your radio, per-
form the steps as described on the next page.
2. OPERATIONAL TESTS AND ADJUSTMENT
], substituting your call sign in place of the one shown. Your
Page 14
2-1
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