Icom IC-M57 Instruction Manual page 11

MAINTENANCE AND CONNECTIONS 6 Hi
Hi Connections
Microphone : Rear panel
To
Attach to a
chassis ground
NEVER use a 24 V battery External speaker
e AVOID long cable runs to the antenna and power
source.
e KEEP these cables as far away as possible from
electric pumps, generators and other electronic instru-
ments. |
e Antennas and antenna placement are very impor-
tant. Ask your lcom Dealer for recommendations.
OPTIONS
e HS-57 HANDSET KIT e SP-10 EXTERNAL SPEAKER
Facilitates clear voice communication. Input impedance: 4Q
Max. input power: 5 W
e MB-28 FLUSH MOUNT
For mounting the IC-M57 to a panel. e SP-5 EXTERNAL SPEAKER ©
Input impedance: 4Q