Icom ID-52A Basic Manual english - Page 25

Monitor function, Setting a squelch level

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BASIC OPERATION 3 ■■ Monitor function The Monitor function is used to listen to weak signals without changing the squelch setting. 1 While holding down [SQL], you can hear weak signals on 2 the frequency. 3 TIP: You can set the Monitor Hold function on the MENU screen. The transceiver opens or closes the squelch 4 each time you push [SQL]. The first segment ([MENU] > SET > Function > Monitor) blinks. 5 6 ■■ Setting a squelch level 7 Noise squelch enables the audio to be heard only while receiving a signal that is stronger than the set level. A 8 higher level blocks weak signals, which enables you to receive only stronger signals. A lower level enables you to 9 hear weak signals. LL Throughout this document, "Noise squelch" is simply called 10 "Squelch." 11 While holding down [SQL], rotate [DIAL] to select the squelch level. Automatic squelch 12 LLInformation 13 ••Options: "OPEN," "AUTO" (default), and "LEVEL 1" ~ "LEVEL 9" 14 ••"LEVEL 1" is loose squelch (for weak signals) and "LEVEL 9" is tight squelch (for strong signals). 15 ••"AUTO" is an automatic level adjustment using a noise pulse counting system. 16 ••"OPEN" is the continuously open setting. ••In the DV mode, you cannot set the squelch to "OPEN." Maximum squelch level 17 18 BASIC MANUAL 12

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BASIC OPERATION
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BASIC MANUAL
■
Monitor function
The Monitor function is used to listen to weak signals
without changing the squelch setting.
While holding down [SQL], you can hear weak signals on
the frequency.
TIP:
You can set the Monitor Hold function on the MENU
screen. The transceiver opens or closes the squelch
each time you push [SQL].
([MENU] > SET > Function >
Monitor
)
■
Setting a squelch level
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.
L
Throughout this document, “Noise squelch” is simply called
“Squelch.”
While holding down [SQL], rotate [DIAL] to select the
squelch level.
L
Information
• 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.
• In the DV mode, you cannot set the squelch to “OPEN.”
Automatic squelch
Maximum squelch level
The first segment
blinks.