5
BASIC OPERATION
5-11
■ Key Lock function
Activate to prevent accidental frequency changes and
unnecessary function access.
Hold down [LOCK] ➥ for 1 second to turn the Key
Lock function ON or OFF.
• When the Key Lock function is activated and the locked key
or dial is pushed or rotated, “LOCK ON” appears.
• [ ], [LOCK] , [PTT], [SQL] and [VOL] can be used
while the lock function is activated.
Either or both the squelch control and volume control
can also be locked in the Function menu.
MENU > Function > Key Lock (p. 16-68)
The function is ON
The function is OFF
■ ATT (AIR) function
The attenuator reduces signal levels to prevent audio
distortion. This is useful when the transceiver receives
a very strong air band signal, or it is in very strong elec-
tromagnetic fields such as from a broadcasting station
near your location.
The attenuation is about 30 dB, and enabled when the
AIR band is selected.
Push [QUICK] q to open the Quick Menu screen.
Push D-pad( w ) to select “ATT (AIR),” and then push
D-pad(Ent).
Push D-pad( e ) to select “30dB.”
Push D-pad(Ent) to set, and exit the Quick Menu r
screen.
• “ATT” appears.
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