Uniden UM415BK Owner's Manual download pdf (Page 33)

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Power Supply Requirements VHF Antenna Requirements

Nominal 13.8 VDC power supply with a

negative ground (10.5 VDC to 16.0 VDC).

Power leads should be kept as short as

possible. A direct connection to the power

supply is ideal.

Minimum of #14 AWG copper wire for

extensions up to 20 feet, 12 AWG wire for

extensions from 20 to 35 feet, or 10 AWG

wire for extensions from 35 to 60 feet.

Male PL-259 connector

50 Ω impedance

Minimum 4 foot, 3 dB rated antenna for

sailboats or 8 foot, 6dB rated antenna for

powerboats

Minimum RG-58 lead-in wire for antenna

leads up to 20 feet, RG-8X for antenna

leads from 20 to 35 feet, or RG-8U for

antenna leads from 35 to 60 feet.

Step 1:

Slide the radio

into the mounting

bracket.

Step 2:

Tighten the mounting knobs

to secure the radio in place.

Hex bolt

Washer

Spring washer

Hex nut

Mounting

bracket

Mounting

surface

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Uniden UM415BK Owner's Manual Page 33

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