Icom IC-R8500 Instruction Manual page 5

!9
OFF DLY
kHz
SEL-CH SKIP-CH
IC-R8500
M
M-SET
!5 !6 !7 !8
Center frequency
is shifted down.
!2
AUDIO PEAK FILTER CONTROL [APF] (p. 15)
Adjusts the audio peak filter setting to pick up a de-
sired audio frequency. Only valid when the [APF]
switch is ON.
• Clockwise rotation adjusts the filter setting higher; coun-
terclockwise rotation adjusts the filter setting lower.
!3
ATTENUATOR SWITCHES [10dB]/[20dB]
Push to activate one of the attenuators.
Push [10dB] to activate the 10 dB attenuator.
Push [20dB] to activate the 20 dB attenuator.
Push [10dB] + [20dB] to activate the 30 dB attenuator.
• 10 dB and 30 dB attenuator cannot be used below 500 kHz.
!4
AUDIO PEAK FILTER SWITCH [APF] (p. 15)
Push momentarily to toggle the audio peak filter
circuit ON and OFF.
• Use the [APF] control to adjust the center of the audio
peak passband.
When the audio peak filter circuit is ON, push for
1 sec. to toggle the filter setting between normal
and narrow .
• 'Narrow' is available for SSB, CW and AM only.
!5
SPEECH/LOCK SWITCH [SPCH/LOCK]
Push momentarily to activate the voice synthesiz-
er function and have the displayed frequency
announced.
• An optional UT-102
essary to activate the voice synthesizer function (p. 38).
. ; ,
1 2 3
QZ ABC DEF
M-CH
4 5 6
GHI JKL MNO
BANK
7 8 9 BANK
PRS TUV WXY
ENT
. 0 CE
ENT
NAME
MEMO PROG AUTO PRIO
SCAN/
SCAN SET
SEL SKIP VSC DLY
D/S
M-CH DELAY/SPEED
BANK
M-CL MW
Center frequency
is shifted up.
SPEECH SYNTHESIZER UNIT
• Automatic announcement at signal detection during
scan is available. Refer to the "REC SPCH" item on
p. 31 for details.
Push for 1 sec. to activate the lock function (p. 12).
• Push for 1 sec. again to cancel the lock function.
• The lock function action can be selected in set mode
to cover the main dial only, or to cover both the main
dial and front panel switches.
!6
TUNING STEP SWITCHES [TS ]/[TS ] (p. 12)
Select the tuning step for the main dial. Push [TS ]
to select a larger tuning step; push [TS ] to select
a smaller tuning step.
• 10 Hz, 50 Hz, 100 Hz, 1 kHz, 2.5 kHz, 5 kHz, 9 kHz, 10
kHz, 12.5 kHz, 20 kHz, 25 kHz, 100 kHz and 1 MHz are
selectable.
• Programmable tuning steps can be set between 0.5 and
199.5 kHz.
To set programmable tuning steps, enter the desired
steps via the keypad, then push [TSY]or [TSZ].
!7
MAIN DIAL
Changes the operating frequency, set mode contents,
etc.
!8
BRAKE ADJUSTMENT SCREW
Adjusts the main dial tension.
!9
FUNCTION DISPLAY (p. 6)
Shows the selected frequency, mode, memory
name, etc.
@0
S-METER
Shows the strength of the received signal.
Shows the squelch threshold level when the
is nec-
[SQUELCH] is rotated past the center position.
PANEL DESCRIPTION
1
2