Operation Manual

145
11
MAINTENANCE
■ Main dial brake adjustment
The tension of the main dial may be adjusted to suit
your preference.
The brake adjustment is located on the bottom side of
the front panel. See the figure at right.
Slide the brake adjustment to a comfortable tension
level while turning the dial continuously and evenly in
one direction.
Main dial
Brake
adjustment
Light
Heavy
D Scanning
PROBLEM POSSIBLE CAUSE SOLUTION REF.
Programmed scan does not
stop.
• Squelch is open. • Set the [RF/SQL] control to the threshold
point.
p. 33
Programmed scan does not
start.
•
The same frequencies have been programmed
in scan edge memory channels P1 and P2.
• Program different frequencies in scan edge
memory channel P1 and P2.
p. 101
Memory scan does not start. •
2 or more memory channels have not been
programmed.
• Program more than 2 memory channels. p. 101
Select memory scan does not
start.
•
2 or more memory channels have not been
designated as select channels.
• Designate more than 2 memory channels as
select channels for the scan.
p. 110
D Display
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 and hold [SPEECH/LOCK] for 1 sec. to
turn the function OFF.
• Push [EXIT/SET] several times to exit the set
mode screen.
• Reset the CPU.
p. 82
p. 118
p. 149
The display indicates the IC-
7600 screen with “bound,”
“rotat
ion” or “twist” condition.
• The screen saver function is activated. • Operate the transceiver.
• Set the screen saver function in set mode to
“OFF.”
—
p. 127
D Format USB-Memory
PROBLEM POSSIBLE CAUSE SOLUTION REF.
Format error appears when
formatting in FAT32
• The inserted USB-Memory capacity is smaller
than 64 MB.
• Insert a USB-Memory larger than 64 MB or
select the FAT format.
p. 143
Format error appears when
formatt
ing in FAT
• The inserted USB-Memory capacity is larger
than 2 GB.
• Insert a USB-Memory smaller than 2 GB or
select the FAT32 format.
p. 143