3ERVICE The GN30 MKII is sealed and does not contain any user serv-
iceable parts. Opening of the unit will void its warranty. Touching
electrical parts inside may cause bodily harm or death. If the unit is not
working properly, please check section 7.7 Troubleshooting. If your
GN30 MKII requires servicing or repair, cal your authorized SIMRAD
dealer.
0OWERSOURCEFUSEANDPOWERCABLE Check that the DC power sup-
plied to the unit is within the range of 10 to 32 volts. Note that the ap-
ropriate fuse must be employed (see the fuse rating in section 7.4
Electrical connections. Ensure that the power cord is firmly attached.
'ROUNDING To ensure optimum performance of your equipment and
to reduce electrical interference and risk of electrical shock, you need
to properly ground the unit to the ship’s ground, using the ground
screw on the back of the unit.
#HAPTER '.-+)))NTRODUCTION
6
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