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8-4-1 Configure backlit illumination
The AR-ALPHA is equipped with a high density backlight lamp to illuminate the LCD when operating.
To configure backlight illumination, perform the following steps:
1. Press the
2. The configuration screen will appear.
3. Press the
4. Rotate the sub dial to select on or off.
5. Press the
When the back light of the display is set to off, the LCD screen is invisible and may be difficult to operate.
If you wish to set the display on again, please perform the following procedures:
1. Press and hold the
2. Press the
3. Rotate the sub dial clockwise with one click. Press the
(Note: The brightness of the LCD is not adjustable.)
8-4-2 Configure beep
The AR-ALPHA emits confirmation 'beeps' when the keypad is used. A 'HIGH' pitched beep indicates
correct operation while a 'LOW' pitched beep indicates that an error or unexpected entry has taken place.
The volume of the beep is independent of the main volume control. It is recommended that the beep
function be enabled, especially when a new user is becoming familiar with the AR-ALPHA.
To access the configuration menu, perform the following steps:
1. Press
key, then press the
2. The configuration screen will appear.
3. Press the
key or
4. Rotate the sub dial to select on or off.
5. Press the
8-4-3 Configure RF-GAIN (Radio Frequency Gain)
The RF gain setting switches the attenuator or preamplifier to suit the band conditions and antenna in use.
The value can be adjusted according to local receiving conditions.
key, then press the
key or
key to move the cursor to BackLight
key to confirm entry.
key to power off the unit. Wait about 10 seconds.
key, then press the
key to move the cursor to BEEP.
key to confirm entry.
key.
key.
key.
95
key.
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