POLMAR DB-50M - Accessories Connections

◊ Accessories Connections
External Speaker
If you plan to use an external speaker, choose a speaker with an
impedance of 8 Ω. The external speaker jack accepts a 3.5 mm
(1/8”) mono (2-conductor) plug.
Microphone
For voice communications, connect a microphone equipped with
an 8-pin modular plug into the modular socket on the front
of the main unit. Press rmly on the plug until the locking tab
clicks. Attach the supplied microphone hanger in an appropriate
location using the screws included in the screw set.
10
SP-02
Microphone
connector
V
/
M
H
M
S
C
N
L
O
W
1
4
78
9
0
#
5
6
2
3
PA
MIC
PB
A
B
A
A/B
B
PC
PD
MAIN
External speaker[SP-02]
Microphone [QHM-04]
Antenna[QCA-02]