Furuno MARINERADAR FR-8122 - Manual (Page 27)

2. WIRING
2-3
Jumper block, slide switch setting
The jumper block JP1 and slide switch S112 on the PWR board (03P9419) must be set
according to radar model. Open the unit, locate JP1 and S112 and set them as below.
FR-8252
S
S112
T
MODEL1964C
Jumper block JP1
("short" for FR-8252 radar;
remove dummy connector and
attach connector assy.
XH2P-L40-ACR.)
Slide switch S112
(Upward position
for FR-8252)
Power supply unit, inside view
Jumper block, slide switch Function Setting
JP1 Enables/disables motor slow start circuit. Short (disable)
S112 TUNE voltage selector (0-12 V, 0-32 V) Upward position
(0-12 V)
Power requirement, replacement of fuses
Power requirement
The power for the power supply unit and display unit must be drawn from the same power
switch on the power terminal board.
Replacement of fuses
The power supply unit is shipped with a 15 A fuse(for connection to 12 VDC battery).
Replace the fuse with a 7 A (supplied) when the ship’s battery is 24 VDC.