Uniden UM425 VHF DSC 사용자 설명서
9
Getting Started
Parts of the radio
13.8V DC
ANTENNA
Antenna
connector
(SO238)
Heat sink
Power
connector
Accessory
connector
Table 2 - Rear panel connector functions
Connector
Connects to
For details, see
Antenna connector
External VHF antenna with
a male PL259 (SO238)
connector and 50 Ω
impedance.
Minimum 1.2m, 3dB rated
antenna for sailboats, 2.4m, 6
dB rated for power boats.
Connecting the radio,
page 44.
Power connector
Nominal 13.8 VDC power
supply with negative ground
(10.8 VDC to 15.6 VDC)
(Red wire +, black wire -).
Connecting the radio,
page 43.
Accessory connector GPS receiver, GPS
chartplotter, external speaker,
external PA speaker.
Connecting accessories,
page 45.
UM425 VHF OM.indd 9
28/9/11 11:55:14 AM