Configure Reference Signal Input - AOR AR-ALPHA Operating Manual

To access the configuration menu, perform the following steps:
1. Press the
2. The "D.Option settings" menu will appear.
3. Press the
key or
4. Rotate the sub dial to set the AGC to OFF.
5. Press the
The SQUELCH dial now does control the RF-GAIN.
8-4-4

Configure reference signal input

This function enables you to select an external reference signal for the AR-ALPHA. The AR-ALPHA has a
stable built-in reference oscillator, however, an external high stability 10 MHz reference (such as off-air,
atomic coupled) can be accepted by the BNC connector, marked "10 MHz", on the rear panel of the
AR-ALPHA.
External 10 MHz external reference oscillator input
To access the configuration menu, perform the following steps:
1. Press the
2. The configuration screen will appear.
3. Press the
key or
4. Rotate the sub dial to select Int. (Internal oscillator) or Ext. (External oscillator).
5. Press the
(Caution) When the external input reference oscillator is selected but no signal is present at the
10 MHz input connector, the AR-ALPHA will not operate properly.
key, then press the "MODE" key.
key to move the cursor to AGC.
key to confirm entry.
key, then press the
key to move the cursor to 10 MHz.
key to confirm entry.
key.
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