ICOM 375410 Manuale Utente

14

BASIC OPERATION

3

201802

201802

BASIC MANUAL

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Noise squelch enables the audio to be heard only while 

receiving a signal that is stronger than the set level. A 

higher level blocks weak signals, which enables you to 

receive only stronger signals. A lower level enables you to 

hear weak signals.

 

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“Noise squelch” is abbreviated to “Squelch” in this manual.

 While holding down [SQL], rotate [DIAL] to select the 

squelch level.

 •“

” is displayed.

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 •Options:  “OPEN,” “AUTO” (default), and “LEVEL 1” ~ 

“LEVEL 9”

 •“LEVEL 1” is loose squelch (for weak signals) and  

“LEVEL 9” is tight squelch (for strong signals).

 • “AUTO” is an automatic level adjustment using a noise pulse 

counting system.

 • “OPEN” is the continuously open setting. 

 •This option is not selectable in the Digital (D-STAR, P25, 

dPMR, NXDN-VN, NXDN-N, or DCR) mode.

[DIAL]

[SQL]

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The Monitor function is used to listen to weak signals 

without changing the squelch setting.

While holding down [SQL], the receiver monitors weak 

signals on the frequency.

TIP: You can set the Monitor Hold function on the MENU 

screen. The receiver opens or closes the squelch each 

time you push [SQL].

([MENU] > Function > 

Monitor) 

The first few segments 

of the S-meter blinks.

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The Speech function audibly announces the displayed 

frequency and mode by pushing [SPEECH]. 

Also, you can set various Speech functions, such as the 

DIAL Speech function or Mode Speech function on the 

MENU screen. 

([MENU] > SPEECH > 

DIAL SPEECH)

([MENU] > SPEECH > 

MODE SPEECH)

[SPEECH]