Icom IC-7700 Instruction Manual - Page 183
Main dial brake adjustment
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MAINTENANCE 13 D Scanning PROBLEM POSSIBLE CAUSE SOLUTION REF. Programmed scan does • Squelch is open. not stop. • Set [SQL] to the threshold point. p. 3-9 Programmed scan does • The same frequencies have been programmed • Program different frequencies in scan edge p. 8-3 not start. in scan edge memory channels P1 and P2. memory channel P1 and P2. Memory scan does not • 2 or more memory channels have not been • Program more than 2 memory channels. start programmed. p. 8-3 Select memory scan does • 2 or more memory channels have not been • Designate more than 2 memory channels as p. 9-7 not start designated as select channels. select channels for the scan. D Display PROBLEM POSSIBLE CAUSE The displayed frequency • The dial lock function is activated. does not change properly. • A set mode screen is selected. • The internal CPU has malfunctioned. SOLUTION REF. • Push [LOCK] to turn the function OFF. p. 5-17 • Push [EXIT/SET] several times to exit the set p. 12-2 mode screen. • Reset the CPU. p. 13-7 D Format USB-Memory PROBLEM POSSIBLE CAUSE SOLUTION REF. Format error appears • The inserted USB-Memory capacity is smaller • Insert a USB-Memory larger than 64 MB or p. 12-26 when formatting in FAT32 than 64 MB. select the FAT format. Format error appears • The inserted USB-Memory capacity is larger • Insert a USB-Memory smaller than 2 GB or p. 12-26 when formatting in FAT than 2 GB. select the FAT32 format. ■ Main dial brake adjustment [MAIN DIAL] Brake adjustment Heavy Light 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 left. Slide the brake adjustment to a comfortable tension level while turning the dial continuously and evenly in one direction. 13-3