Optional Speaker-Microphone; Hm-125 Descriptions; Attachment - Icom IC-M72 Instruction Manual

■ HM-125 descriptions

Alligator type clip
To attach the speaker-mic.
to your shirt or collar, etc.
PTT switch
Transmits during push.
Receives during release.
Microphone
Speaker
Turn the transceiver power OFF
when connecting the HM-125.
NEVER immerse the connector in water. If the connector
becomes wet, be sure to dry it BEFORE attaching it to the
transceiver.
NOTE: The microphone is located at the top of the
speaker-microphone, as shown in the diagram above. To
maximize the readability of your transmitted signal
hold the microphone approx. 2.5 cm
mouth, and speak in a normal voice level.

OPTIONAL SPEAKER-MICROPHONE

,
(voice)
from your
(1 inch)

■ Attachment

Insert the speaker-mic connector onto the [SP MIC] con-
nector and carefully screw it tight, as shown in the diagram
below. Be careful not to cross-thread the connection.
Set the triangle mark CAUTION: Attach the speaker-
to the front side. microphone's connector securely
to prevent accidental dropping, or
water intrusion in the connector.
IMPORTANT: KEEP the transceiver's [SP MIC] connec-
tor cap attached when the speaker-microphone is not in
use. Water will not get into the transceiver even if the
cover is not attached; however, the terminals
become rusty, or the transceiver will function abnormally
if the connector has become wet.
10
Detaching:
Pull up the cap
9
in the direction
of the arrow to
10
detach it.
Attaching:
Attach the cap
in the direction
of the arrow
completely.
will
(pins)
29