Icom IC-7410 Instruction Manual

!0 RF GAIN CONTROL/SQUELCH CONTROL
[RF/SQL] (outer control; p. 32)
Rotate to adjust the RF gain and squelch threshold
level.
The squelch removes noise output to the speaker
when no signal is received (closed condition).
 s4HESQUELCHIS PARTICULARLY EFFECTIVE IN&- BUT ALSO
works in other modes.
 s4HETOOCLOCKPOSITIONISRECOMMENDEDfor the
most effective use of the [RF/SQL] control.
 s;2&31,=OPERATESASONLYAN2&GAINCONTROLIN33"
CW and RTTY (Squelch is fixed open), or a squelch
control in AM and FM (RF gain is fixed at maximum
sensitivity), when the “RF/SQL Control” item is set to
“Auto” in the Set mode. (p. 86)
s7HENUSEDASAN2&GAINSQUELCHCONTROL
Maximum
RF gain
S-meter
squelch
Noise squelch (FM mode)
Squelch is
open.
RF gain
adjustable
range
Recommended level
s7HENUSEDASAN2&GAINCONTROL
(Squelch is fixed open; SSB, CW and RTTY only)
Minimum RF gain
Adjustable
range
Maximum
RF gain
While rotating the RF gain control, a faint noise may
be heard. This comes from the DSP unit and does
not indicate an equipment malfunction.
s7HENUSEDASASQUELCHCONTROL
(RF gain is fixed at maximum.)
Squelch is
open.
S-meter
squelch
S-meter squelch
threshold
Noise squelch
threshold
(FM mode)
Shallow Deep
Noise squelch (FM mode)
!1 MIC GAIN CONTROL [MIC] (inner control; p. 34)
Rotate to adjust the microphone gain.
s4HETRANSMITAUDIOTONEINTHE33"!-AND&-MODES
can be independently adjusted in the Tone Control Set
mode. (pp. 90, 91)
 How to set the microphone gain.
While speaking at normal voice level, adjust the mi-
crophone gain so that in the SSB or AM modes, the
ALC meter swings within the ALC zone.
Recommended level for
Icom microphones
Increase
Decreases
!2 RF POWER CONTROL [RF PWR]
(outer control; p. 34)
Rotate to continuously vary the RF output power
between 2 W (minimum) and 100 W (maximum).
(AM: between 2 W and 27 W).
!3 ELECTRONIC CW KEYER SPEED CONTROL
[KEY SPEED] (p. 37)
-ODE#7
Rotate to adjust the keying speed of the internal
electronic CW keyer to between 6 wpm (minimum)
and 48 wpm (maximum).
FastSlow
!4"2%!+).$%,!9#/.42/,;"+).$%,!9=
(p. 63)
-ODE#7
Rotate to adjust the transmit-to-receive switching
delay time for the Semi Break-in function.
Long delay for
slow speed
keying
Short delay
for high speed
keying
!5 COMPRESSOR CONTROL [COMP] (p. 64)
 -ODE33"
Rotate to adjust the compression level.
IncreasesDecreases
!6 MONITOR GAIN CONTROL [MONI GAIN] (p. 65)
Rotate adjust the monitor level for the clearest
audio output.
IncreasesDecreases
2
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Icom IC-7410 Specifications

General

Brand	Icom
Model	IC-7410
Category	Transceiver
Language	English