VX-1400 O
PERATING
M
ANUAL
10
P
OWER
R
EQUIREMENTS
AND
B
ASIC
I
NSTALLATION
DC Power Connections
The
VX-1400
transceiver is designed for operation from 13.8 Volts DC, negative ground,
with the DC source being capable of providing 23 Amperes of continuous current.
For mobile applications, the fused (25-A) DC cable supplied with this transceiver may be
used for making the power connections. Be absolutely certain to observe the proper polar-
ity when making power connections:
The
RED
DC power lead connects to the
Positive
(+) DC terminal; and the
BLACK
DC
power lead connects to the
Negative
(–) DC terminal.
To minimize noise pickup, and to provide the best input voltage stability for your trans-
ceiver, we recommend you connect the DC cable directly to the vehicle battery, rather
than to the ignition or accessory circuitry. Route the DC cable as far away from ignition
cables as possible, and cut off any extra cable (from the battery end) to minimize voltage
drop. If the DC cable is not long enough, use #12 AWG (minimum) stranded, insulated
wire to extend it. Be absolutely certain to solder the connections at the splice securely, and
provide ample insulation for the soldered splice (heat shrink tubing plus black electrical
tape work well).
I
NSTALLATION
12V Battery
Cigarette Lighter Plug
Fuse Box
RED
BLACK
VX-1400
FUSE: 25A
When disconnecting the DC cable from the transceiver,
pull the DC cable while pressing here.
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