User Manual

30 GMC-I Messtechnik GmbH
Replacing the Batteries
Attention!
!
Disconnect the instrument from the device to be
calibrated before opening the battery compartment lid
when replacing the batteries.
➭ Set the instrument face down onto the working surface.
➭ Turn the slotted screw on the lid with the battery symbols
counterclockwise.
➭ Lift off the lid and remove the batteries from the battery
compartment.
➭ Insert two new 1.5 V mignon batteries into the battery
compartment, making sure that the plus and minus poles
match up with the provided polarity symbols.
➭ When replacing the battery compartment lid, insert the side
with the guide hooks first. Tighten the screw by turning it
clockwise.
➭ Please dispose of depleted batteries in accordance with
environmental protection regulations!
12.3 Fuses
Testing the Fuse
The fuse is tested automatically when the device is switched on.
If the fuse is blown or has not been inserted, “FuSE” blinks at the
digital display. The same message appears if the output sockets
are short circuited when the device is switched on.
Replacing the Fuse
If a fuse should blow, eliminate the cause of overload before
placing the instrument back into service!
Attention!
!
Disconnect the instrument from the device to be
calibrated before opening the fuse cover in order to
replace the fuse!
➭ Set the instrument face down onto the working surface.
➭ Turn the slotted screw on the cover with the fuse symbol
counterclockwise.
➭ Lift off the cover and pry the fuse out using the flat side of the
fuse cover.
➭ Insert a new fuse. Make sure that the fuse is centered, i.e.
located between the tabs at the sides.
➭ When replacing the fuse cover, insert the side with the guide
hooks first. Tighten the screw by turning it clockwise.
➭ Dispose of the blown fuse with the trash.
Attention!
!
Use specified fuses only!
If fuses with other blowing characteristics, other current
ratings or other breaking capacities are used, the operator
is placed in danger, and protective diodes, resistors and
other components may be damaged.
The use of repaired fuses or short-circuiting the fuse
holder is prohibited.
Blown Fuse
fuse
A
DC