Icom IC-02A/AT/E Instruction Manual page 37

(2) CALL KEY
(1) When the set is in either MEMORY CHANNEL MODE or DIAL
MODE, pushing the "D'' (CALL) key recalls the frequency
memorized in memory channel 3 (M3). The letter '''C'' appears
which indicates the CALL function is activated.
(2) At this time, all key functions except the CLEAR and LOCK
functions are disabled.
(3) To clear the CALL KEY function, just push the "A'' (CL) key
and the frequency and memory channel number (if in the ME-
MORY CHANNEL MODE) previously displayed are recalled on
the frequency display.
@When recalling CALL channel memorized in M3:
Push key
CALL /LOCK! CL/S-STOP
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6-6 PRIORITY FUNCTION
This feature allows you to check on your favorite frequency, such as
a local repeater or calling channel, for activity while operating ona
dial frequency or memory channel. It allows you to check if the
frequency is busy or empty.
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