Icom IC-7200 Instruction Manual - Page 9

Power Key, Tuner Key, Rf Gain/squelch Control, Rf/sql], Af Control [af], Headphone Jack [phones] - audio

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1 PANEL DESCRIPTION !5 SPCH•LOCK KEY SPCH ➥ Push to announce the selected frequency and S-meter level by the speech synthesizer. (p. 32) • The parameters to be announced can be selected in the set mode. (pgs. 77, 78) ➥ Push and hold for 1 sec. to turn the dial lock function ON or OFF. (p. 29) • The dial lock function electronically locks the main dial. • " " appears while the dial lock function is ON. !6 POWER KEY ➥ Push to turn power ON. • Turn the DC power supply ON in advance. ➥ Push and hold for 1 sec. to turn power OFF. !7 TUNER KEY TUNER (p. 67) ➥ Push to turn the automatic antenna tuner func- tion ON or OFF. • An optional antenna tuner must be connected. • " " appears on the display when the automatic antenna tuner function is turned ON. ➥ Push and hold for 1 sec. to manually tune the antenna tuner. • An optional antenna tuner must be connected. • When the tuner cannot tune the antenna, the tuning circuit is bypassed automatically after 20 sec. !8 R F GAIN/SQUELCH CONTROL [RF/SQL] (outer control; p. 30) ➥ Adjusts the RF gain and squelch threshold level. ➥ T he squelch removes noise output from the speaker (closed condition) when no signal is received. • The squelch is available for all modes. • The control can be set as the squelch plus RF gain controls, squelch control only (RF gain is fixed at maximum) or Auto (RF gain control in SSB, CW and RTTY; squelch control in AM) in set mode. MODE SSB, CW RTTY AM SET MODE SETTING AUTO SQL RF + SQL RF GAIN SQL RF GAIN + SQL SQL SQL RF GAIN + SQL • When functioning as RF GAIN/SQL control Squelch is open. RF gain adjustable range S-meter squelch threshold Maximum RF gain S-meter squelch • When functioning as RF GAIN control (Squelch is fixed open; SSB, CW, RTTY only) Maximum RF gain Adjustable range Minimum RF gain • When functioning as SQL control (RF gain is fixed at maximum.) S-meter squelch threshold Squelch is open. S-meter squelch Lowest threshold Highest threshold !9 AF CONTROL [AF] (inner control; p. 29) Varies the audio output level from the speaker. Audio output increases Audio output decreases @0 HEADPHONE JACK [PHONES] Accepts headphones with 8-16 Ω impedance. • Output power: 5 mW with an 8 Ω load. • When headphones are connected, no receive audio comes from the speaker. @1 MICROPHONE CONNECTOR [MIC] Accepts supplied or optional microphone. • See p. 11 for appropriate microphones and microphone connector information. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 

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4
1
PANEL DESCRIPTION
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
!
5
SPCH•LOCK KEY
SPCH
➥
Push to announce the selected frequency and
S-meter level by the speech synthesizer. (p. 32)
• The parameters to be announced can be selected in
the set mode. (pgs. 77, 78)
➥
Push and hold for 1 sec. to turn the dial lock
function ON or OFF. (p. 29)
• The dial lock function electronically locks the main
dial.
• “
” appears while the dial lock function is ON.
!
6
POWER KEY
➥
Push to turn power ON.
• Turn the DC power supply ON in advance.
➥
Push and hold for 1 sec. to turn power OFF.
!
7
TUNER KEY
TUNER
(p. 67)
➥
Push to turn the automatic antenna tuner func-
tion ON or OFF.
• An optional antenna tuner must be connected.
• “
” appears on the display when the automatic
antenna tuner function is turned ON.
➥
Push and hold for 1 sec. to manually tune the
antenna tuner.
• An optional antenna tuner must be connected.
• When the tuner cannot tune the antenna, the tuning
circuit is bypassed automatically after 20 sec.
!
8
RF GAIN/SQUELCH CONTROL
[RF/SQL]
(outer control; p. 30)
➥
Adjusts the RF gain and squelch threshold level.
➥
The squelch removes noise output from the
speaker (closed condition) when no signal is re-
ceived.
• The squelch is available for all modes.
• The control can be set as the squelch plus RF gain
controls, squelch control only (RF gain is fixed at
maximum) or Auto (RF gain control in SSB, CW and
RTTY; squelch control in AM) in set mode.
MODE
SET MODE SETTING
AUTO
SQL
RF + SQL
SSB, CW
RTTY
RF GAIN
SQL
RF GAIN + SQL
AM
SQL
SQL
RF GAIN + SQL
Minimum RF gain
Adjustable range
RF gain adjustable
range
Maximum RF gain
Maximum RF gain
Squelch is open.
S-meter squelch
S-meter squelch
threshold
Lowest threshold
Highest threshold
Squelch is open.
S-meter squelch
S-meter squelch
threshold
• When functioning as RF GAIN/SQL control
• When functioning as RF GAIN control
(Squelch is fixed open; SSB, CW, RTTY only)
• When functioning as SQL control
(RF gain is fixed at maximum.)
!
9
AF CONTROL [AF]
(inner control; p. 29)
Varies the audio output level from the speaker.
Audio output
decreases
Audio output
increases
@
0
HEADPHONE JACK [PHONES]
Accepts headphones with 8–16
Ω
impedance.
• Output power: 5 mW with an 8
Ω
load.
• When headphones are connected, no receive audio
comes from the speaker.
@
1
MICROPHONE CONNECTOR [MIC]
Accepts supplied or optional microphone.
• See p. 11 for appropriate microphones and microphone
connector information.