Furuno RC18xx Series User Manual page 30

6. RC1840 Equipment Installations
6.3 DSC-60 DSC/Watch Receiver
Refer to the Installation Manual, DSC-60
The DSC-60 DSC/Watch Receiver has been mounted and wired into the console.
Only the antenna needs to be installed. A label is attached to the DSC-60 front panel to
show if the unit is setup for an active or passive antenna. This antenna connection is made to
the D.ANT port.
(Refer to Pg. 7 of the Installation Manual for the correct antenna port location.)
6.3.1 Passive Antenna
1) When a passive antenna is used, the impedance must be matched to the 50 ohm
cable, for connection to the DSC-60.
2) If necessary, disassemble the DSC-60 and change the jumper on the RCVR board
from active to passive.
(Refer to Pg. 20, Preamp Settings, of the Installation Manual)
3) When reinstalling the DSC-60 in the console, be sure to attach the cables to the correct
ports.
(Refer to Pg. 7 of the Installation Manual)
6.3.2 Active Antenna
1) Install the preamp (FAX-5 coupler). Connect a 2.6m whip or 2 to 3 meter long
wire to the preamp.
(Refer to Pgs. 3 and 4, Preamp Unit, of the Installation Manual)
2) Ground the preamp to the mounting mast. (Refer to Pg. 4 of the Installation Manual)
3) If necessary disassemble the DSC-60 and change the jumper on the RCVR board
from passive to active.
(Refer to Pg. 20, Preamp Settings, of the Installation Manual)
4) When reinstalling the DSC-60 in the console, be sure to attach the cables to the correct
ports.
(Refer to Pg. 7 of the Installation Manual)
6-3