Icom IC-7410 Instruction Manual - Page 104

Dial tuning tension adjustment - cpu reset

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13 MAINTENANCE ■ Troubleshooting (continued) D Scanning PROBLEM POSSIBLE CAUSE SOLUTION REF. A programmed scan does not • Squelch is open. stop. • Set the [RF/SQL] control to the threshold p. 32 point. A programmed scan does not • The same frequencies are programmed into the • Program different frequencies into the Scan p. 70 start. Scan Edge Memory channels "P1" and "P2." Edge Memory channels "P1" and "P2." A memory scan does not start. • Two or more memory channels have not been • Program more than two memory channels. programmed. p. 70 A select memory scan does • Two or more memory channels have not been • Designate more than two memory channels as p. 80 not start. designated as select channels. select channels for the scan. A ∂F scan does not start. • T he center frequency for the ∂F scan is not • Program the center frequency for the ∂F scan. p. 81 programmed. D Display PROBLEM POSSIBLE CAUSE The displayed frequency does • The Dial Lock function is turned ON. not change properly. • The Set mode screen is selected. • The internal CPU has malfunctioned. SOLUTION • P ush [LOCK] to turn OFF the function. • P ush [MENU] to exit the Set Mode. • Reset the CPU. REF. p. 61 p. 85 p. 100 ■ Dial tuning tension adjustment The tuning tension of [DIAL] may be adjusted to suit your preference. The tension adjustment is located on the bottom side of the front panel. See the figure to the right. Slide the tension adjustment to a comfortable level while turning the dial continuously and evenly in one direction. DIAL Tuning tension adjustment Firm Light 97

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97
13
MAINTENANCE
■
Troubleshooting (continued)
D
Scanning
PROBLEM
POSSIBLE CAUSE
SOLUTION
REF.
A programmed scan does not
stop.
• Squelch is open.
• Set the [RF/SQL] control to the threshold
point.
p. 32
A programmed scan does not
start.
•
The same frequencies are programmed into the
Scan Edge Memory channels
“P1” and “P2.”
• Program different frequencies into
the Scan
Edge Memory channels
“P1” and “P2.”
p. 70
A memory scan does not start.
• Two or more memory channels have not been
programmed.
• Program more than two memory channels.
p. 70
A select memory scan does
not start.
• Two or more memory channels have not been
designated as select channels.
• Designate more than two memory channels as
select channels for the scan.
p. 80
A
∂
F scan does not start.
• The center frequency for the
∂
F scan is not
programmed.
• Program the center frequency for the
∂
F scan.
p. 81
D
Display
PROBLEM
POSSIBLE CAUSE
SOLUTION
REF.
The displayed frequency does
not change properly.
• The Dial Lock function is turned ON.
• The Set mode screen is selected.
• The internal CPU has malfunctioned.
• Push [LOCK] to turn OFF the function.
• Push
[MENU] to exit the Set Mode.
• Reset the CPU.
p. 61
p. 85
p. 100
The tuning tension of [DIAL] may be adjusted to suit
your preference.
The tension adjustment is located on the bottom side
of the front panel. See the figure to the right.
Slide the tension adjustment to a comfortable level
while turning the dial continuously and evenly in one
direction.
DIAL
Tuning tension
adjustment
Light
Firm
■
Dial tuning tension adjustment