Icom IC-7800

13-3
D Scanning
D Display
■ Main dial brake adjustment
Light
Heavy
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 turning the dial continuously and evenly in
one direction.
■ Voice synthesizer operation
The IC-7800 has built-in voice synthesizer to an-
nounce the frequency, mode, etc. (S-meter level can
also be announced—p. 12-17) in clear, electronically-
generated voice, in English (or Japanese).
[SPEECH] for sub
[SPEECH] for main
➥ Push [SPEECH] to announce the currently selected
frequency, etc.
 •Holddown[SPEECH]for1secondtoadditionallyan-
nounce the selected mode.
➥ Pushing a mode switch also announces the appro-
priate mode. (p. 12-17)
The output level of the voice synthesizer can be ad-
justed in level set mode. (p. 12-5)
13
MAINTENANCE
PROBLEM POSSIBLE CAUSE SOLUTION REF.
Programmed scan does
not stop.
Programmed scan does
not start.
Memory scan does not
start
Select memory scan does
not start
•Squelchisopen.
•
The same frequencies have been programmed
in scan edge memory channels P1 and P2.
•2ormorememorychannelshavenotbeen
programmed.
•2ormorememorychannelshavenotbeen
designated as select channels.
•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.
p. 3-9
p. 8-4
p. 8-4
p. 9-7
PROBLEM POSSIBLE CAUSE SOLUTION REF.
The displayed frequency
does not change properly.
•Thediallockfunctionisactivated.
•Asetmodescreenisselected.
•TheinternalCPUhasmalfunctioned.
• Push [LOCK] to turn the function OFF.
•Push[EXIT/SET]severaltimestoexittheset
mode screen.
•ResettheCPU.
p. 5-19
p. 12-2
p. 13-7