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4-1-4.
Rear Panel and Side Case
Attach an antenna with a low SWR and impedance of 50
ohms.
@13.8 VDC power input connector
Connect the supplied DC power cable to this connector.
Pay close attention to the polarity. Red is positive and
black is negative.
@Fuse holder
Contains a 15A fuse. Do not use a larger fuse as
damage might result to the transceiver.
@External speaker jack (Rear panel)
The speaker should have an impedance of 8 ohms.
The audio is switched to the external speaker (no sound
is output from the built-in transceiver speaker).
20
Example
144MHz
band
TM-741A/741E
{ 440/430MHz band
TM-641A
Do
220MHz
®External speaker jack (Side case)
The speaker should have an impedance of 8 ohms.
Example
Orr
¥ 144MHz band
Ss e. a
|
TM-741A/741E
440/430MHz band
<
TM-641A
3 "|
"220MHz
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