23
5
OTHER FUNCTIONS
New master
‘
‘
Optional HM-75A functions
The optional HM-75A allows you to remotely send Smart-Ring/Call-
Ring calls, open the squelch, etc. The switches on the HM-75A
function as follows.
CAUTION:
When connecting the HM-75A to the transceiver, make
sure that the transceiver is turned OFF, otherwise the transceiver
may malfunction.
Mic UP
Mic A
Mic Down
Mic B
Mic UP
Mic DOWN
Mic A
Mic B
Sends Smart-Ring.
Turn the Tone
Squelch ON.
Start/Stop scan B.
---
Sends Call-Ring.
Turn the Tone
Squelch OFF.
---
---
Key Push Push and hold
IC-F22SR-(1) 02.3.23 2:29 PM Page 28 (1,1)