Icom IC-7200 Advanced Instructions page 9

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1
PANEL DESCRIPTION
Front panel (Continued)
■
Speaker
!2 PREAMP/ATTENUATOR KEY
Push to turn the preamp ON or OFF.
➥
• " " appears when the preamp is ON.
Hold down for 1 second to turn ON the 20 dB at-
➥
tenuator; push to turn OFF the attenuator.
• " " appears when the attenuator is ON.
What is the preamp?
✓
The preamp amplifies signals in the receiver front end
(input) circuit to improve the sensitivity. Turn ON the
preamp when receiving weak signals.
What is the attenuator?
✓
The attenuator prevents a strong undesired signal
near the desired frequency or near your location, such
as from a broadcast station, from causing distortion or
spurious signals.
!3 MAIN DIAL [DIAL]
Changes the displayed frequency and selects val-
ues for selected Set mode/Quick Set mode items.
!4 FILTER KEY FILTER
Push to select the wide, mid or narrow IF filter
➥
setting for the selected band.
Hold down for 1 second to enter the filter Set
➥
mode.
• Rotate [DIAL] to adjust the filter width, then hold
down the key again to return to normal operation.
i7200
!7
P.AMP
(p. 5-3)
ATT
(p. 5-5)
Function
Display (p. 1-12)
MODE TS
TUNER FILTER
SPCH
!6 !5 !4
!5 SPCH•LOCK KEY
➥ Push to announce the displayed frequency and S-
meter level by the speech synthesizer. (p. 3-13)
• The items to be announced can be selected in the
Set mode. (p. 10-12)
Hold down for 1 second to turn the Dial lock func-
➥
tion ON or OFF. (p. 3-12)
• The dial lock function electronically locks the main
dial.
• "
!6 POWER KEY
Push to turn ON power.
➥
• First turn ON the DC power supply.
Hold down for 1 second to turn OFF power.
➥
!7 TUNER KEY
Push to turn the automatic antenna tuner func-
➥
tion ON or OFF.
• An optional antenna tuner must be connected.
• "
function is ON.
Hold down for 1 second to start the antenna tun-
➥
er.
• An optional antenna tuner must be connected.
• When the tuner cannot tune the antenna within
20 seconds, the tuning circuit is automatically by-
passed.
1-6
NB NR
1
V/M A/B
=
1.8
4
MW M-CL
10
7
COMP SCAN
21
.
RIT MNF
GENE
P.AMP
ATT
M-CH/RIT
SET
!3 !2
SPCH
" appears while the dial lock function is ON.
TUNER (p. 9-2, 9-4)
" appears when the automatic antenna tuner
ANF
METER
2 3
SPLIT
7
3.5
5 6
AGC
14 18
8 9
VOX
28
24
0
F-INP ENT
50 BAND