EX-4 Tx1000 Keypad Expander Installation Manual Revision 1.0 March 1998
Page
4
Damage Requiring Service -
Servicing by qualified personnel should be carried out under the following
conditions:
(a)
If liquid has been spilled, or objects have fallen into, the unit;
(b)
If the internal electronics of the unit have been exposed to rain or water;
(c)
If the unit does not operate normally by following the operating instructions.
(d)
If the unit has been dropped or the enclosure is damaged;
(e)
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.
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 “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.
EQUIPMENT CONTENTS.
1
EX-4 Expander
4
RS232 cables, EX-4 to Tx1000 Base Unit
1
Installation Manual
