The PMMN4041/PMMN4042/PMMN4043/PMMN4047/
PMMN4048/PMMN4049 Public Safety Speaker Microphone
(PSM) provides a convenient means of communicating by
having a speaker, a microphone, a Push-to-talk (PTT) button
and a toggle volume switch. The PMMN4041/PMMN4042/
PMMN4043/PMMN4047/PMMN4048/PMMN4049 PSM also
includes:
•A cable and connector assembly that connects the PSM
to the radio side connector.
•An orange programmable button on top of the PSM
housing that is programmable via radio’s Customer
Programming Software (CPS).
•An antenna jack/RF port (located on top of the PSM
housing) that enables a RF antenna to be connected for
English
extending the radio transmit/receive range.
•A 3.5 mm audio jack (located on opposite side of PSM’s
PTT) that accepts secondary receiver audio accessory.
(Note: Only applicable for PMMN4041, PMMN4042 and
PMMN4043).
•2 types of removable antenna that provides optimum
operation in each UHF (403
–433 MHz or 430–470 MHz),
and VHF (136–153 MHz or 150–174 MHz) frequency
band.
Note: For optimum RF reception, it is recommended to
have the correct type of PSM antenna connected to
the PSM. Also, do not swap the PSM antenna with
the radio antenna. It is recommended to have both
PSM antenna and radio antenna connected. The
antenna is not supplied with the PSM kit. It must be
ordered separately. The antenna kit number is listed in
1
Page 4
Table 1. The “PSM” word is embossed on the PSM
antenna.
To assure optimum PSM performance, hold the PSM in the
vertical position, 2.5 to 5.0 centimeters (1-2 inches) away from
the mouth and keep the antenna at least 2.5 centimeters (one
inch) from the head or body.
FrequencyDescription
Insulator
Color Code
Attaching the PSM to the Radio
1.Attach the PSM antenna to the PSM by inserting the
antenna into the PSM antenna jack and turn in
clockwise direction until tighten.
2.Attach the PSM UC connector to the mating radio side
connector and then secure the connection by turning
the connector’s screw in clockwise direction until
tighten.
3.The radio will display “IMPRES (TM) Accessory” an/or
annunciate an alert tone.
2
Page 5
Wearing the PSM
(See Figure 1)
To minimize interference and optimize PSM performance,
wear the radio and PSM so that the accessory cord will not
cross over or touch the antenna. Also, try to wear the radio
and accessory fairly close to each other to avoid strain on the
accessory connector.
Figure 1. Wearing the PSM
Note: For optimize PSM antenna performance,
wear the PSM antenna above shoulder
level.
English
3
Page 6
Receiving
When the PSM is connected to the radio (side connector and
antenna port) the PSM antenna is enabled, the radio’s
speaker is muted, and the audio is only heard from the PSM
speaker. Similarly, when a secondary receiver audio
English
accessory is plugged into the 3.5 mm audio jack, audio to the
PSM is re-routed to the secondary accessory.
A toggle switch, located on top of the PSM, allows you to
adjust the volume from the radio’s setting to a lower level or
higher level without having to touch the radio. Press and hold
the toggle switch to the direction of ( ) to ramp up the
volume; press and hold the toggle to the direction of ( ) to
ramp down the volume. Volume adjustment are available at
8 interval. This feature is especially useful when the radio is
worn on the belt, and the speaker/microphone is on the lapel
or shoulder, as shown in Figure 1.
Ramp-down
volume toggle
Orange
button
Ramp-up
volume toggle
3.5 mm audio
jack (only for
Push-to-talk
button
PMMN4041,
PMMN4042
and
PMMN4043)
Figure 2. PSM
4
Page 7
Transmitting
Connecting the PSM to the radio does not disable the radio’s
microphone and PTT.
Removing the PSM from the Radio
1.Remove the PSM connector from the radio side
connector.
2.Remember to keep the rubber seal inserted in the
PSM’s 3.5 mm jack when a secondary accessory is not
being used.
SERVICE
Other than the replaceable cable assembly, clip and antenna,
the PMMN4041/PMMN4042/PMMN4043/PMMN4047/
PMMN4048/PMMN4049 Public Safety Speaker Microphones
are not repairable. Order replacement PSMs as necessary.
English
The following optional accessories and replacement parts are
available for order from Motorola’s Radio Products and
Services Division (RPSD) or Motorola Accessories &
Aftermarket Division (AAD).
RLN4760 (S-right)Clear and comfortable earpieces for use with
RLN4761 (M-right)
RLN4762 (L-right)
RLN4763 (S-left)
RLN4764 (M-left)
RLN4765 (L-left)
Note:
1.Some accessories stated above may have a regional
prefix attached to the part number
(i.e. MDRLN4885).
2.Parts RLN4885, WADN4190, PMLN4620 and
AARLN4941/MDRLN4941 are not applicable for
Receive-only earpiece with translucent tube
and rubber eartip
RLN4941 listed above. These earpieces are
alternatives to the standard rubber eartip and
available in Small, Medium, and Large; for
the Left or Right Ear.
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English
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*6871003M01*
6871003M01-B
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