Seaward IRT 1557 - Manual (Page 20)

IRT1557
Operating Instructions
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8.3 Battery Replacement
Before opening the IRT1557 ensure that it is
disconnected from all voltages! Electric shock
danger!
8.3.1 Power the unit off by selecting the Off position on
the rotary switch.
8.3.2 Disconnect all the test leads from the unit
8.3.3 Position the IRT 1557 face down and release the
captive screw in the battery compartment cover.
8.3.4 Remove the battery compartment cover.
8.3.5 Remove the discharged batteries from the
compartment.
8.3.6 Fit a new set of alkaline batteries.
8.3.7 Relocate the battery cover over the battery
compartment and fasten in position with the
battery cover captive screw.
8.4 Replacing the fuse
Before opening the IRT1557 ensure that it is
disconnected from all voltages! Electric shock
danger!
8.4.1 Power the unit off by selecting the Off position on
the rotary switch.
8.4.2 Disconnect all the test leads from the unit
8.4.3 Position the IRT 1557 face down and release the
captive screw in the battery compartment cover.
8.4.4 Remove the battery compartment cover.