Icom IC-551D Instruction Manual page 17

НОМ ТО ТОМЕ
The following instructions аге for tuning іп any mode. Please read carefully and understand
fully before turning ON your unit. Proper tuning is necessary for optimum operation.
PRESET FREQUENCIES
When the POWER switch is turned ON, the frequency display will be shown 50.100.0.
Turn the VFO Switch to "B", "RA-TB", and "RB-TA"' positions to see if the same frequency can
be read on the display. Continue turning the VFO Switch to "1", ""[2I'', and "І3)" positions to see
if 51.000.0MHz shown on the display. The frequencies of the VFO's-and the Memory Channels
are preset so that they start from the frequencies shown above whenever the IC-551D is turned ON
or whenever the power to the CPU is cut for even a short time. Turn the VFO Switch to the "A"
position again.
FREQUENCY DISPLAY ON EACH MODE
‚ At the "FM" position
At the "USB" position
At the "LSB" position
At the "СМ" position
At the "AM"' position
"То avoid the trouble of recalibrating the dial when you change the operating mode, the displayed
frequency is set to shift to the carrier frequency of each mode automatically. For the differences
of the frequency shifts of the various modes, refer to the following figure.
The differences of the frequency
of the various modes
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