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Mobile Power Connections
To minimize voltage drop and avoid blowing the vehicle's fuses, connect the DC power
cable directly to the battery terminals. Do not attempt to defeat or bypass the DC cable
fuse - it is there to protect you, your transceiver, and your vehicle's electrical system.
Never apply AC power to the power cable of the FTM-10SR, nor DC voltage greater
than 15.8 Volts. When replacing the fuse, use only a 5-A fuse. Failure to observe
these safety precautions will void the Limited Warranty on this product.
Before connecting the transceiver, check the voltage at the battery terminals while rev-
ving the engine. If the voltage exceeds 15 Volts, repair the vehicle's voltage regulator
before proceeding with installation.
Connect the WHITE power cable lead to the POSITIVE (+) battery terminal, and the
BLACK power cable lead to the NEGATIVE (-) terminal. If you need to extend the
power cable, use #12 AWG or larger insulated, stranded copper wire. Solder the splice
connections carefully, and wrap the connections thoroughly with insulating electrical
tape.
Before connecting the cable to the transceiver, verify the voltage and polarity of the
voltage at the transceiver end of the DC cable using a DC voltmeter. Now connect the
transceiver to the DC cable.
FTM-10SR
Mobile Speakers
The optional MLS-200-M10 High-Power External Speaker includes its own swivel-type
mounting bracket, and is available from your Yaesu dealer.
Other external speakers may be used with the FTM-10SR, if they present the specified 8-
Ohm impedance and are capable of handling the 8 Watts of audio output supplied by the
FTM-10SR.
FTM-10SR O
PERATING
Warning!
WHITE:Positive (+)
BLACK:Negative (-)
M
ANUAL
I
NSTALLATION
Note:
The fuse holder
must be protected
from direct expo-
sure to water.
(--)
(+)
Battery
13
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