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Activating attenuator reduces signal to the RF input stages of the AR-ONE to prevent
overloading due to connection to an external antenna or when the receiver is used in close
proximity to strong transmissions.
The AR-ONE has four settings for ATT (attenuator), 0 dB, 10dB, 20 dB, and AUTO.
To change the ATT parameter setting, push the ATT key.
Selecting a new ATT parameter from the list by rotating the main tuning dial or arrow key.
To
accept the new ATT parameter, push the ENT key.
When ATT is set to OFF, the 't0' icon will display on the top right of the LCD,
When ATT is set to 10 dB, the 't1' icon will display on top right of the LCD,
When ATT is set to 20 dB, the 't2' icon will display on top right of the LCD.
2-10 RF AMPLIFIER
The AR-ONE features a preamplifier. The LCD icon "a" is used to display the setting in use.
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