Icom ID-51A PLUS2 Advanced Owners Manual - Page 46

Key Lock function, ATT AIR function

Page 46 highlights

Previous view 5 BASIC OPERATION ■■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 ON 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 ON. TIP: Either or both the squelch control and volume control can also be locked in the Function menu. (MENU > Function > Key Lock) (p. 16-75) ■■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 electromagnetic fields such as from a broadcasting station near your location. The attenuation is about 30 dB, and usable only in the AIR band. qqPush [QUICK] to open the Quick Menu screen. wwPush D-pad() to select "ATT (AIR)," and then push D-pad(Ent). D-pad (Ent) () eePush D-pad() to select "30dB." rrPush D-pad(Ent) to set, and exit the Quick Menu screen. • "ATT" appears. The function is ON The function is OFF 5-12

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5
BASIC OPERATION
5-12
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 ON 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 ON.
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 usable only in the
AIR band.
q
Push [QUICK]
to open the Quick Menu screen.
w
Push D-pad(
) to select “ATT (AIR),” and then push
D-pad(Ent).
D-pad
(
°
)
(Ent)
e
Push D-pad(
) to select “30dB.”
r
Push D-pad(Ent) to set, and exit the Quick Menu
screen.
• “ATT” appears.
TIP:
Either or both the squelch control and volume
control can also be locked in the Function menu.
(MENU > Function >
Key Lock
) (p. 16-75)