Owner's manual

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Section 4
Maintenance
4.1 MAINTENANCE
The instrument has a rugged mechanical construction and will
withstand normal handling and wear easily. As such, the unit
needs very little maintenance. The unit may be cleaned with
a soft dry cloth. No solvents should be used to clean the unit.
While operating the unit, make sure that air circulation around
the unit is not obstructed and the slits for ventilation are not
closed.
Every time you change a fuse, make sure that fuse is of proper
type & rating.
4.2 SERVICING
The unit has no user servicable parts. So get the unit serviced
from GLOBAL SPECIALTIES only.
We suggest the following procedure while returning the unit
for service :
To e nsu re saf e h and li ng, pr ese rve o rig ina l pa cki ng mat eri al
and use it.
Call Global Specialties Customer Service at 1-800-572-1028
& get a RMA no. Be sure to attach a label to the unit, specifying
the owner and the fault observed with a brief description.
Section 5
Circuit Diagrams
Fig. 5.1 Function & Range Selection Circuit