Icom IC-A22 - Circuit Description; Receiver Circuit Details

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1 PANEL DESCRIPTION
i Keypad
KEYLOCK BEEP LOCK OUT ON SCAN
ODO@@®
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Selects the DVOR display from the CDI display in NAV
band. (p. 19)
- Changes the course indicator characteristics to “TO”
flag in the DVOR display in NAV band. (p. 19)
- Corrects the deviation while using “TO” flag. (p. 23)
- Changes the course indicator characteristics to “FROM”
flag in the DVOR display in NAV band. (p. 19)
- Corrects the deviation while using "FROM" flag. (p. 23)
Selects the CDI display from the DVOR display in NAV
band. (p. 19)
-Sets the desired fre-
quency or channel.
(pgs. 11, 12, 14)
- Selects the desired char-
acter for memory channel
comments while program-
ming a memory channel.
(p. 15)
- Inputs the degrees of the
desired course in CDI
mode. (p. 21)
Sets the duplex frequency* in NAV band.
Turns the duplex function* ON and OFF in NAV band.
(p. 25)
Turns the lock function ON and OFF.
Turns the beep tone ON and OFF. (p. 13)
Sets the displayed memory or weather* channel as a
lockout channel. (p. 18)
Selects the 121.5 MHz emergency frequency. (p. 11)