ICOM 325000 Manuale Utente

Pagina di 88
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4
BASIC OPERATION
4
N Squelch level setting
The squelch circuit mutes the received audio signal, depend-
ing on the signal strength. The receiver has 9 squelch levels, 
a continuously open setting and an automatic squelch set-
ting.
± While holding down [SQL], rotate [DIAL] to select the 
squelch level.
• “LEVEL 1” is loose squelch (for weak signals) and “LEVEL 9” is 
tight squelch (for strong signals).
• “AUTO” indicates the automatic level adjustment by a noise 
pulse count system.
• “OPEN” indicates the continuously open setting.
[DIAL]
Automatic squelch
Maximum level
N Receive mode selection
The receiver has three receive modes, FM, AM and WFM. 
The mode selection is stored independently in each band 
and memory channels.
Typically, the AM mode is used for the AM broadcast stations 
(0.495–1.620 MHz) and air band (118–135.995 MHz), and 
WFM is used for FM broadcast stations (76–107.9 MHz).
± Push [MODE] repeatedly to select a desired receive 
mode.
FM mode
AM mode
WFM mode