TIS CHECKBOX Instruction Manual page 7

FUSE REPLACEMENT
F (Quick Blow) 10 A / 250 V, 5 mm X 20 mm Ceramic general input protection fuse.
(Figure 1.1, Section 17)
WARNING
Disconnect any connected instrument/accessory and power off the TIS Checkbox before opening fuse
compartment cover.
Replace blown fuse with original type only, failure to do so may cause a safety hazard and / or damage to
the TIS Checkbox.
Cleaning
No special maintenance is required for the housing. To clean the surface of the instrument use a soft cloth
slightly moistened with soapy water or alcohol. Then leave the instrument to dry totally before use.
Warning:
Do not use liquids based on flammable cleaning fluids or hydrocarbons.
Do not spill cleaning liquid over the instrument.
Periodic calibration
It is essential that the unit is regularly calibrated in order ensure that the technical specifications listed in this
manual is guaranteed.
We recommend an annual calibration (52 Weeks).
An authorised technical person should perform the calibration. Please contact your dealer or manufacturer for
further information.
Service
For repairs under warranty, or at any other time, please contact your distributor.
Unauthorized person is not allowed to open the Checkbox calibrator.