Adjusting The Volume Level; Rf Gain/Sql Level/Audio Tone; Dnoise Squelch; Ds-Meter Squelch - Icom IC-R8600 Instruction Manual

Adjusting the volume level

Rotate to adjust the volume level.
• While adjusting, the volume level is indicated in %.
L The status or position of each key or dial is stored and
recalled when the power is turned ON.

RF gain/SQL level/Audio tone

1. Push .
2. Touch an item to select. (Example: RF GAIN)
3. Rotate .
• Settable range RF GAIN (Sensitivity):
SQL (Squelch):
TREBLE (Higher tone): –15 to +15
BASS (Lower tone):
D Noise squelch
The Noise Squelch allows the audio to be heard only while
receiving a signal that includes less noise than a set level.
• Activates when the squelch level is set to between 30%
and 50% in the FM, AM, S-AM or DIGITAL mode.
• A higher level blocks weak signals. A lower level allows
you to hear weak signals including noise.
L While the squelch is closed, the noise audio is muted and
the [RECEIVE] indicator is OFF.
D S-meter squelch
The S-meter Squelch mutes the speaker sounds when the
signal strength is less than the set value.
• Activates when the squelch level is set to between 50% and
100% in any mode.
• The squelch level is indicated by the position of "▼."
S-meter squelch level
L When the received signal is stronger than the S-meter
squelch level designated by the "▼," the squelch opens.
Lnformation
L
When the squelch circuitry activates to emit the audio,
"Squelch opens." When the squelch circuitry mutes the
audio emission, "Squelch closes."
D RF gain
Normally, set the RF gain to maximum (100%).
• You can adjust the RF gain to decrease the interference or
noise from a nearby strong station.
• indicates that the RF gain is reduced.
L If a strong signal is received and
appears, reduce the RF gain until

BASIC OPERATION

Monitor function

z Hold down

About the VFO and Memory modes

z Push
VFO mode
You can set the receive frequency by rotating
or by directly entering it with the keypad.
Memory mode
0 ~ 100%
You can set the receive frequency by selecting a preset
0 ~ 100%
channel. See Section 8 for details.
–15 to +15

Selecting the receiving mode

1. Touch the receiving mode icon. (Example: FM)
2. Touch to select the receive mode. (Example: AM)
• Selectable modes when the mode key is touched
*Touch for 1 second to select other modes. See the table below.
• Selectable modes when the mode is touched for 1 second
L You can chose the receiving mode icons that appears
(Overflow) when you touch the [DIGITAL] key.
disappears.
MENU
3-1 3-1
to forcibly open the squelch.
• [MONI] appears and [RECEIVE] lights.
L You can change the function in the digital mode setting on
the MENU screen.
» SET > Digital Set > Digital Monitor
MENU
to select the VFO or Memory mode.
V/M
VFO mode
V/M
Group No. Channel No.
MODE screen
L When the mode key is touched for 1 second, the
selectable modes differ. See the table below.
Mode key Receiving mode
[FM]
[WFM]
[AM] AM ↔ S-AM(D)*
[SSB/CW]
[FSK]
D-STAR→P25→dPMR→NXDN-
[DIGITAL]
→NXDN-
Mode key Receiving mode
[AM] S-AM(D)→S-AM(U)→S-AM(L)→S-AM(D)
[SSB/CW] CW ↔ CW-R, or USB ↔ LSB
[FSK]
» SET > Digital Set > Digital Mode Select
3
Memory mode
MAIN DIAL
FM
WFM
USB* ↔ CW*
FSK*
vn
→DCR→D-STAR
n
FSK ↔ FSK-R
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