Alinco DR-B185HT Instruction Manual page 15

Microphone
For voice communications, connect a provided microphone into the
socket on the front of the main unit. Turn the ring firmly on the plug until it
locks. Attach the supplied microphone hanger in an appropriate location
using the screws included in the screw set.
Microphone
connector
Antenna Microphone (EMS-53)
External speaker
Initial Installation
2
6