Icom IC-706 MKII Instruction Manual page 25

RECEIVE AND TRANSMIT 4
© RF gain and squelch
The IC-706MKII uses the same control, [RF/SQL], to
adjust one of either the RF gain or the squelch.
[RF/SQL] adjusts either the RF gain or the squeich
depending on the operating mode selected and the
condition of the RF gain item in initial set mode (see
the table at right).
¢([RF/SQL] control priority
The RF (Radio Frequency) gain is used to adjust the
max.
_
RF gain -Same effect as at
The SQUELCH
removes
noise output from the
decreases:
"te max position
speaker (closed condition) when no signal is
© Simple band scope
This function allows you to visually "sweep" an area
Note: Use the attenuator or turn OFF the preamp when
surrounding
the
set frequency
for other signals.
using the band scope on a band containing a lot of noise.
Detected signals are indicated graphically in the dot
matrix section of the display.
© Set a mode and frequency.
@ Select in 1. ii. reed Hee!
e Push [DISPLAY] 1 or 2 times if 'i or & appears.
ce ene
|
e Push [MENU] one or more times to select 1.
© Push [F-1] one or more times to select the desired mee i iim: Select sweep width
steps. ahe FM. ccasenenenenee snnnsesorenene tees hatatl ([F-1])
eEach dot corresponds to a step for the indicated fre-
a
mi
Start swee
0.5, 1, 2, 5, 10, 20 and 100 kHz can be set for the scope i.
P
step.
S
([F-3])
®© Push [F-3] to start the sweep.
e"___" (below SLIF') flashes while sweeping.
or ef
: a, Sweep is finished
eThe receive audio is muted while sweeping.
wei. 8h died. eet
([F-3] again)
© Rotate the main dial if you want to monitor the dis-
4_ sweep marker
played signals.
*The sweep marker indicates the location of the dis- "she a
ah ri:
Move sweep marker
played frequency in the sweep readout.
i
-E
P-
(main dial)
eif the displayed frequency is outside of the sweep read-
out (determined by the sweep width), the sweep mark-
:
oa Nace
:
a Ern ie "rt i's Returns to previous
er flashes.
R ie ots
HEHN H "33 : peen
fre uenc ([F-2])
© Push [F-2] to return the frequency to the start of a
pen D A R or eerie T
laa
sweep.
eThe sweep marker moves back to the center position.
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