ICOM 333100 User Manual

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PANEL DESCRIPTION
PRIO A/B KEYS
 Push to select Priority A or Priority B channel.
  Hold down 
[.rio A (Rewrite)] or [.rio B (Rewrite)] for 1 
sec. to rewrite the operating channel as the Priority A or 
Priority B channel.
MR-CH 1/2/3/4 KEYS
Push to select the memory channel 1 to 4 directly.
MONI (AUDI) KEY
 ➥  Push to mute and release the CTCSS (DTCS) or 2-tone 
squelch  mute.  Open  any  squelch/deactivate  any  mute 
while pushing and holding this key.
 (LMR operation only)
  Activates one of (or two of) the following functions on each 
channel independently:
 (PMR operation only)
  •  Hold down to unmute the channel (audio is emitted; ‘Audible’ 
condition).
  • Push to mute the channel (sets to ‘Inaudible’ only).
  •  Push after the communication is finished to send a ‘reset code’. 
(5-tone operation only)
 
  NOTE: The un-mute condition (‘Audible’ condition) may 
automatically return to the mute condition (‘Inaudible’ 
condition) after a specified period depending on pro-
gramming.
LOCK KEY
Hold down to electronically lock all programmable keys ex-
cept the following:
[Moni(Audi)][Lock][Call] (incl. Call A and Call B), [Emergency]
[Surveillance][Siren][Lone Worker] and [Light].
LONE WORKER KEY
Push to turn the Lone Worker function ON or OFF.
•  If the Lone Worker function is activated, Emergency function is au-
tomatically turned ON after the specified time period has passed 
with no operation is performed.
HIGH/LOW KEY
Push to select the transmit output power temporarily or per-
manently, depending on the pre-setting.
• Ask your dealer for the output power level for each selection.
C.TONE CH ENT KEY
Push to enter the continuous tone channel selection mode. 
Then,  push 
[CH  Up]/[CH  Down]  to  change  the  tone  fre-
quency/code setting. The selected channel remains set as 
the continuous tone channel until another channel is desig-
nated as such. 
TALK AROUND KEY
Push to turn the talk around function ON and OFF.
•  The talk around function equalizes the transmit frequency to the 
receive frequency for transceiver-to-transceiver communication.