Cobra MR F55-D MRF55D_MANL_ENG - Page 12

Installation And Start-Up Mounting And Powering The Radio Warning Sticker Power Connection Cables Warning Sticker FCC regulations require that the Warning Sticker supplied with this radio be applied to a spot where it is easily seen by the radio operator. Be sure the location is clean and dry before applying the sticker. - + Red Cable Positive (+) Black Cable Negative (-) Electrical Power Connection Your CobraMarine VHF radio is powered from the vessel's 13.8-volt negative ground direct current electrical system (12-volt nominal). A fused power connection lead is provided at the back of the transceiver. To Connect To A Power Source: 1. Attach the black (-) wire to a negative (-) ground. 2. Attach the fused red power (+) wire to the positive (+) side of the power system. NOTE This radio will draw up to 8 amps when transmitting at full power. NOTICES A reverse polarity connection will damage the radio. When replacing the fuse in your transceiver, use only the size and type originally provided. Installation And Start-Up Mounting And Powering The Radio NOTE All wiring is best kept as short as possible. If the power leads must be extended, use a high-quality, marine-grade cable sized for up to 10 amps of current. To minimize voltage drop, choose a wire gauge as follows: Length Up to 1.5m(4.9ft) Up to 3.0m(9.8 ft) Up to 5.0m(16.4 ft) Up to 6.0m(19.7 ft) Wire Gauge 1.6 mils(#14) 2.0 mils(#12) 2.6 mils(#10) 3.3 mils(#8) 18 English Nothing Comes Close to a Cobra® 19