Call Channel Memory; Scanning - Yaesu FT-712RH Operating Manual

masking certain memories so that they are completely hidden from operation, and
recalling them only when desired for operation.
To completely mask a memory, recall it and press F/WRITE for 2-second (until the
memory number blinks). Then press the REV/STEP button. This causes the display
to change to memory 1, and the previously-selected memory is no longer selectable
manually, or by scanning (as described later).
To unmask a hidden memory for operation, recall any memory and press F/WRITE
for 2-second. Then select the memory number to be restored, and press REV/STEP.
When you have hidden memories, be careful not to accidentally overwrite them.

Call Channel Memory

The call channel memory can be instantly recalled by pressing the CALL button.
"C" appears in the memory window at the upper left corner of the display.
As mentioned earlier, you can store the same kinds of data in the CALL channel as
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in the general purpose memories: just follow steps (1) through (3) of the memory
storage procedure, and then press the CALL button instead of F/WRITE in step (4),
while the "C" is blinking. Also, if storing a separate transmit frequency, press the
CALL button instead of F/WRITE while holding the PTT switch (in the final step).

Scanning

Before starting the scanner, make sure the SQL control is set to squelch off the
noise on a clear channel. Scanning is activated and deactivated by the UP or DWN
keys on the microphone. Just press and hold the key for more than 2-second to start
the scanner. If the transceiver is in the Dial mode, band scanning will result. If a
memory number is displayed, the transceiver is in the Memory mode, and only the
memories will be scanned.
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