5-1
SECTION 5 – MAINTENANCE AND CLEANING
WARNING This instrument should only be serviced by a qualified
electronics technician.
Refer all servicing to qualified service personnel. Polar Instruments publishes a TONEOHM 950 Service
Manual to assist the service technician.
5.1 Calibration requirements
To maintain the calibration of the instrument it is recommended that its Calibration/Adjustment Procedure
is carried out at intervals not exceeding 12 months.
5.2 Plane Stimulus Protection Fuses
Each of the four Plane Stimulus outputs are individually protected by an internal fuse. If an output is
connected to a powered board the fuse opens to minimise damage to the instrument.
Refer all servicing to qualified service personnel.
5.3 Cleaning
Clean the instrument with a cloth lightly moistened with water with a small amount of mild detergent.
Alternatively, a cloth lightly moistened with alcohol (ethanol or methylated spirit) or isopropyl alcohol (IPA)
may be used.
Do not spray cleaners directly onto the instrument.
5.4 Technical Support
For technical support contact your local Polar Instruments distributor or Polar Instruments.
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