2
English
DESCRIPTION
The PMMN4057 Remote Speaker Microphone (RSM)
provid
es convenient means of communicating by having a
speaker, a microphone, and a PTT in a single, hand-held or
clip-on accessory. The PMMN4057 also includes an
emergency button.
Important Note:
This RSM will function ONLY with radio firmware R10.xxx.5431 and
above
.
OPERATION
Attaching the RSM to the Radio
1. Turn the radio off.
2. Remove the universal connector seal from the side of
th
e radio and attach the RSM.
3. Turn the radio on.
Wearing the RSM
(See Figure 1)
For optimum performance
fro
m your RSM, wear the
radio and RSM so that the
accessory cord does not
cross over or touch the
antenna. Also, try to wear the
radio and accessory
combination fairly close to
each other to avoid strain on
the accessory connector.
Figure1.
Wearing Your Accessory
6871850M01.book Page 2 Thursday, December 29, 2022 11:12 AM
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