Icom IC-505 Operation Manual page 6

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Receive indicator:
The LED glows when squelch is opened it in receive mode.
Transmit indicator:
The LED lights when PTT. switch on the microphone is pressed during SSB or FM
(optional) mode. This indicates that IC-505 is in transmit mode.
In CW mode. the LED lights when the CW break-in circuit is activated by keying.
CALL switch:
Press this switch to "read" the frequency stored in CALL channel. The frequency data in
CALL channel can be re-written in the same manner as in other memory channels.
Tuning Rate (TS) switch: |
This switch sets tuning rate to 1 kHz regardless of operating mode.
VFO select switch:
Selects either A or B VFO frequencies.
МЕО equalizing (A=B) switch:
Press this switch to transfer Aor B VFO' s frequency to the other VFO. Alsothis can be used
to reset scan stop timer.
Press this switch while the scan is stopping ona frequency.
1 MHz UP (1M UP) switch:
Each push increases the operating frequency in 1 MHz steps. The lower digits remain the
same. When the frequency is in the 53 MHz range, by pressing this switch, the frequency
will change to the 50 MHz range.
Memory Write (M-W) switch:
Allows you to store any desired frequency into either Memory or CALL channel.
RIT control:
Offsets the receiving frequency +1 kHz either side of the transmitting frequency without
changing transmitting frequency. If the RIT control is at the OFF position or at the top (12
o'clock) position, both transmitting and receiving frequencies are the same.
Rotate RIT control clockwise to increase receiving frequency, and counterclockwise to
decrease the receiving frequency.
Memory Read (M-R) switch:
Press this switch to select the frequency stored in one of the six memory channels (M1-
M6). Each push selects a memory channel having the next higher number. (When the
. operating channel is M6, the next push selects М1.)
Dial Lock switch: |
Electrically locks the operating frequency. This eliminates dial rotation by misoperation
during long QSO or portable operation.
Tuning Control knob:
Tunes the transmitting/receiving frequency. Rotate clockwise to increase the frequency,
and counterclockwise to decrease the frequency. The tuning rate is 100 Hz for SSB or
CW, 10 kHz for FM, and 1 kHz for all modes when TS switch is turned on.
When this control knob rotated clockwise beyond the upper limit frequency, the lower
limit frequency will be selected. When the control is rotated counterclockwise below the
lower limit,.the upper limit frequency will be selected.
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