Icom IC-M502 Instruction Manual page 49

➥ While pushing [H/L], selects one of 3 regular channels
in sequence when pushed. (pgs. 6, 7, 50)
• International, U.S.A. and Canadian channels are available for
regular channels.
➥ Starts dualwatch or tri-watch when pushed for 1 sec.
(pgs. 11, 54)
➥ Stops dualwatch or tri-watch when either is activated.
y ATTENUATOR/INTERCOM/SCRAMBLER SWITCH
[LO/DX•IC•SCR]
➥ Toggles the attenuator function ON and OFF when
pushed momentarily. (pgs. 8, 51)
• "LOCAL" appears when the attenuator is in use.
➥ Activates the intercom function when pushed for 1 sec.
(pgs. 29, 56)
➥ Calls the IC-M502 when pushed and held while in inter-
com mode. (pgs. 29, 56)
➥ While pushing [H/L], activates an optional voice scram-
bler function. (pgs. 10, 53)
• The optional voice scrambler function cannot be used on
channel 16 and 70.
u SQUELCH/MONITOR/LOCK SWITCH [SQL•MONI•L]
➥ [Y]/[Z] sets the squelch threshold level after pushing
[SQL]. (p. 51)
➥ Push [SQL•MONI] for 1 sec. to turn the monitor function
ON. (p. 52)
➥ While pushing [H/L], push [SQL•MONI•L] to toggle the
microphone key lock function ON or OFF. (p. 52)
• " T " appears while key lock function is in use.
HM-127 REMOTE-CONTROL MICROPHONE
• [PWR], [PTT], [VOL], [SQL] and [H/L] still function when the
microphone key lock function is turned ON.
➥ Advance the cursor while in memory name program-
ming condition. (pgs. 9, 56)
i VOLUME/DIMMER SWITCH [VOL•DIM]
➥ [Y]/[Z] adjusts the audio level after pushing [VOL].
➥ Push [VOL•DIM] for 1 sec. to adjust the brightness of
the LCD and switch backlight. (p. 52)
➥ Move the cursor backward while in memory name pro-
gramming condition. (pgs. 9, 56)
o TRANSMIT POWER SWITCH [H/L]
➥ Toggles high and low power when pushed. (pgs. 8, 51)
• Some channels are set to low power only.
➥ While pushing this switch, other switches perform sec-
ondary functions.
➥ Toggles the all key lock function ON or OFF when
pushed while turning power ON. (p. 52)
• " T " flashes while the all key lock function is in use.
• Only [PWR] and [PTT] function when the all key lock function
is in use.
!0 SCAN SWITCH [SCN•TAG] (pgs. 13, 54)
➥ Starts and stops normal or priority scan when tag chan-
nels are programmed.
➥ Push [SCN•TAG] for 1 sec. to set the displayed channel
as a tag (scanned) channel.
➥ While pushing [H/L], push for 3 sec. to clear all tag chan-
nels.
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