AOR AR-ALPHA, Operating Manual

Page: 97 / 160

95
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 key, then press the key.
2. The configuration screen will appear.
3. Press the key or key to move the cursor to BackLight
4. Rotate the sub dial to select on or off.
5. Press the key to confirm entry.
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 key to power off the unit. Wait about 10 seconds.
2. Press the key, then press the key.
3. Rotate the sub dial clockwise with one click. Press the key.
(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 key.
2. The configuration screen will appear.
3. Press the key or key to move the cursor to BEEP .
4. Rotate the sub dial to select on or off.
5. Press the key to confirm entry.
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.