L2101 &L2102 Integrated Receiver Decoder Instruction Manual – Issue 1 – September 2003
Page
107 of 126
Link Research Ltd. 23 Watford Metro Centre, Dwight Road, Watford, Hertfordshire, WD18 9XA, England.
Tel: +44 (0) 1923 200 900 Customer Support and S44 (0) 1923 200 909
Registered in London No. 2074604 Web: www.linkres.co.uk
Fax: +44 (0) 1923 241 357
7 Maintenance
7.1 General
This chapter provides maintenance instructions for the L2201 and L2202 Integrated
Receiver Decoders. These instructions include test procedures and faults isolation
directives.
7.2 Safety Instructions
WARNING
Whenever it is suspected that safety protection is impaired, the IRD
equipment must be made inoperative and secured against
unintended operation and the appropriate servicing authority must be
informed.
Safety is likely to be impaired if, for example, the equipment fails to
perform the intended functions or shows visible damage.
Servicing and maintenance instructions are for qualified personnel
only. To reduce the risk of shock and damage to equipment, do not
perform any servicing and maintenance unless you are qualified to do
so.
7.2.1 Safety Precautions
The equipment described in this manual contains parts that are connected to the electrical
power supply. This is a potentially lethal voltage.
For correct and safe use of IRD equipment, it is essential that operating and servicing
personnel follow generally accepted safety procedures in addition to the safety precautions
specified in this manual. Specific warning and caution statements, where applicable,
appear throughout this manual.
Warnings, Cautions and/or symbols are marked on the IRD hardware where necessary.
7.2.2 Caution and Warning Statements.
Throughout this manual, the following caution and warning symbols are used:
CAUTION SYMBOL
The CAUTION symbol is used to indicate correct operation or
maintenance in order to prevent damage to, or destruction of,
equipment or other property.
WARNING SYMBOL
The WARNING symbol is used to indicate a potential hazard that
requires correct procedures or practices in order to prevent personal
injury.
