TCOMMAND OPERATING INSTRUCTIONS V1.3 09-03-2009 V18 SOFTWARE.DOC Page 3
Damage Requiring Service - Servicing by qualified personnel should be carried out under the
following conditions:
(a) When the power-supply cord or plug is damaged.
(b) If liquid has been spilled or objects have fallen into the unit
(c) If the internal electronics of the unit have been exposed to rain or water
(d) If the unit does not operate normally by following the operating instructions. Adjust only
those controls that are covered by the operating instructions, as improper adjustment of other
controls may result in damage and will often require extensive work by a qualified technician to
restore the unit to normal operation.
(e) If the unit has been dropped or the enclosure is damaged.
(f) If the unit exhibits a distinct change in performance. This indicates a need for service.
Replacement Parts - If replacement parts are required, ensure that only replacement parts
recommended by the product manufacturer are used.
Safety Check - Upon completion of any service or repairs to the unit, safety checks should be
performed to ensure that the unit is in proper operating condition.
Pre-installation Checks - It is recommended that the unit be bench-tested prior to installation on
the site.
Safety During Installation or Servicing - Particular care should be taken to isolate the Matrix or
Pick A Point in order to prevent operation while engineering work is being carried out on the T-
Command.
Adhere to Safety Standards - All normal safety precautions as laid down by British Standards and
the Health and Safety at Work Act should be observed.
WARNING
TO PREVENT DANGER OF FIRE OR SHOCK, DO NOT
EXPOSE THE INTERNAL COMPONENTS OF THIS
EQUIPMENT TO RAIN OR MOISTURE.
The “lightning flash with arrowhead” symbol inside an equilateral triangle is used to warn the user of
this equipment that there are sufficiently high voltages within the enclosure to constitute a risk of
electric shock.
The “exclamation point” symbol inside an equilateral triangle is used to alert the user of this
equipment to important operating and maintenance (servicing) instructions in the literature
accompanying the appliance.
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