Bosch Appliances Speaker LBC 3428/00 User Manual
3. OPERATION
The unit is powered directly. Different
sound levels can be obtained by selecting
the transformer tappings in the unit.
sound levels can be obtained by selecting
the transformer tappings in the unit.
4. MAINTENANCE
During the working life of the unit, little
or no maintenance is required.
or no maintenance is required.
LBC 3428/00 | Installation Manual
EN |
3
However, if abnormal or unusual
environmental conditions occur due to
plant damage or accident etc., then visual
inspection is recommended.
environmental conditions occur due to
plant damage or accident etc., then visual
inspection is recommended.
If a fault should occur, it is recommended
that the unit be returned to Bosch for
repair.
that the unit be returned to Bosch for
repair.
GENERAL ARRANGEMENT
Bosch Security Systems | July 2003
LBC3428_instal.manual 05-09-2003 10:17 Page 3