Simrad GC80 - Power Supply

INSTALLATION
20221537 / D 47
Power supply
GC80/GC85 has to be supplied with 110 or 220V AC.
When delivered from factory, the system is set up for 220V AC.
If the system is to be supplied with 110V AC, a strap on both
GPOWER boards has to be set according to the figure and the
table below.
Note! Replace the 220V AC label with a 110V AC indication if the
compass is set up for 110V AC power supply!
TB4
TB3
TB4
TB3
TB3
TB4
TB3 – TB4 VOLTAGE
Open 220V AC (default)
Short 100/110/115V AC