D Scanning; Voice Synthesizer Operation; Main Dial Brake Adjustment; D Display - Icom IC-7800 Instruction Manual

D Scanning

PROBLEM
Programmed scan does • Squelch is open.
not stop.
Programmed scan does • The same frequencies have been programmed
not start. in scan edge memory channels P1 and P2.
Memory scan does not • 2 or more memory channels have not been
start programmed.
Select memory scan does • 2 or more memory channels have not been
not start designated as select channels.

D Display

PROBLEM
The displayed frequency • The dial lock function is activated.
does not change properly. • A set mode screen is selected.
• The internal CPU has malfunctioned.

■ Main dial brake adjustment

Light
Heavy

■ Voice synthesizer operation

[SPEECH] for main
POSSIBLE CAUSE
POSSIBLE CAUSE
[SPEECH] for sub
13-3
SOLUTION
• Set [SQL] to the threshold point.
• Program different frequencies in scan edge
memory channel P1 and P2.
• Program more than 2 memory channels.
• Designate more than 2 memory channels as
select channels for the scan.
SOLUTION
• Push [LOCK] to turn the function OFF.
• Push [EXIT/SET] several times to exit the set
mode screen.
• Reset the CPU.
The tension of the main dial may be adjusted to suit
you preference.
The brake adjustment is located on the bottom side of
the front panel. See the figure at left.
Slide the brake adjustment to comfortable tension level
while turing the dial continuously and evenly in one di-
rection.
The IC-7800 has built-in voice synthesizer to announce
the frequency, mode, etc. (S-meter level can also be
announced—p. 12-16) in clear, electronically-gener-
ated voice, in English (or Japanese).
➥ Push [SPEECH] to announce the currently selected
frequency, etc.
• Push [SPEECH] for 1 sec. to additionally announce the
selected mode.
➥ Pushing a mode switch also announces the appro-
priate mode. (p. 12-16)
The output level of the voice synthesizer can be ad-
justed in level set mode. (p. 12-5)
13
MAINTENANCE
REF.
p. 3-9
p. 8-4
p. 8-4
p. 9-7
REF.
p. 5-18
p. 12-2
p. 13-7