Furuno RC-1500-1T - Manual (Page 16)

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3 3 3 3 3 BATTERY CHARGER switch
Turns battery charger on/off. When charging, battery voltage is shown on the voltage meter on
the AC/DC Radio Switch Box (in the lower-half side of the rack console).
AUTO: Automatically turns on the battery charger when the battery voltage
is below 24 VDC and turns it off when the voltage exceeds 27.5 VDC.
While the vessel is underway, set the switch in this position.
OFF: Disconnects the charger from the radio battery.
MANUAL: Charger the battery manually. When the voltage becomes 28 VDC
change the switch to the "OFF" or "AUTO" position.
For maintenance free battery, keep the switch to the "AUTO" position to maintain the battery
voltage between 25 V to 27 VDC.
4 4 4 4 4 PRINTER selector switch
Selects the input source equipment for the printer mounted on left of the radio console.
OFF: Printer is not connected.
DSC: Connects the printer to the DSC terminal.
NBDP
(INMARSAT) : Connects the printer to the NBDP terminal.
Note: Connects the printer to the Inmarsat C for the dual Inmarsat
C type radio rack console.
AUTO: Connects the printer automatically.
For general telex communications, set the switch to NBDP position. You may select the DSC
position to log communications made on DSC terminal, or to print out the DSC's internal set-
tings.
Do not turn the switch while printing. Garbled printout will result.