Icom IC-7000 Marine Radio User Manual


 
qAF GAIN CONTROL [AF(
SET
)] (inner control; p. 33)
Rotate to vary the audio output level from the
speaker or headphones.
Push momentarily to enter the set mode menu.
•Push again to exit the set mode menu.
Push and hold for 1 sec. to toggle between the
frequency display mode or TV mode.
wRF GAIN CONTROL/SQUELCH CONTROL
[RF/SQL] (outer control; p. 35)
Adjusts the RF gain and squelch threshold level.
The squelch, when closed, mutes the speaker or
headphones when no signal is received, reducing
noise.
•The squelch is particularly effective for FM and WFM
modes. It is also available in other modes.
•12 to 1 o’clock position is recommended for any setting
of the [RF/SQL] control.
•The control can be set to ‘Auto’ (RF gain control in SSB,
CW and RTTY; squelch control in AM, FM and WFM) or
squelch control (RF gain is fixed at maximum) in the mis-
cellaneous (others) set mode as follows. (p. 131)
•When functioning as RF gain/squelch control
•When functioning as RF gain control
(Squelch is fixed open; SSB, CW, RTTY only)
•When functioning as squelch control
(RF gain is fixed at maximum.)
ePOWER KEY [PWR] (p. 25)
While transceiver’s power is OFF, push to turn the
power ON.
•Turn the DC power supply ON in advance.
While transceiver’s power is ON, push and hold
for 1 sec. to turn the power OFF.
rFRONT PANEL LATCH (p. 16)
Pull away from the transceiver (towards yourself
when looking at the front of the transceiver) to de-
tach the front panel from the main body of the trans-
ceiver.
tPASSBAND TUNING/M-ch/RIT CONTROLS
[PBT/M-ch/RIT]
Push inner control to toggle the twin Passband
Tuning (PBT) or memory channel/RIT function
ON and OFF.
While Twin PBT is selected (p. 79):
Adjusts the receiver’s DSP filter passband
width.
•Passband width and shift frequency are displayed
on the LCD.
•The default variable range is half of the IF filter
passband width. 25 Hz step is available.
Push and hold inner control for 1 sec. to return
the PBT to default settings.
Low cutHigh cut Center
+
PBT1
PBT2
Squelch is
open.
S-meter
squelch
S-meter squelch
threshold
Noise squelch
threshold
(FM/WFM modes)
Lowest threshold Highest threshold
Noise squelch (FM/WFM modes)
Minimum RF gain
Adjustable
range
Maximum RF gain
Recommended level
RF gain
adjustable
range
Maximum
RF gain
S-meter shows
squelch level
Noise squelch (WFM/FM modes)
Squelch is
open.
MODE
SSB, CW
RTTY
AM, FM
WFM
Auto
RF GAIN
SQL
SQL
SET MODE SELECTION
SQL
SQL
RF + SQL
RF + SQL
RF + SQL
Audio outut
decreases
Audio output
increases
1
1
PANEL DESCRIPTION
Front panel
See the illustration of the Front panel on page i-2.