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Security Link SL150 Podręcznik Użytkownika Strona 41

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Maintaining Your System
Taking Care of Your System
The components of your security system are designed to be as maintenance-free
as possible. However, to make sure that your system is in reliable working
condition:
1. Test your system weekly.
2. Test your system after any alarm occurs (see
Testing the System
section).
Replacing Batteries in Wireless Sensors
Each wireless sensor in your system has a 9-volt or 3-volt battery. The system
detects a low battery in any wireless sensor, including smoke detectors, the
optional personal emergency transmitter, and the optional portable wireless
keypad. (The system detects a low battery in a portable wireless keypad as soon
as one of its keys is pressed, and responds be displaying
00
on the wired
keypad.)
Alkaline batteries provide a minimum of 1 year of operation, and in most units
and applications, provide 2–4 years of service. Three-volt lithium batteries
provide up to 4 or more years of operation. Actual battery life depends on the
environment in which the sensor is used, the number of signals that the
transmitter in the sensor has to send, and the specific type of sensor. Factors
such as humidity, high or low temperatures, or large swings in temperature
may all lead to the reduction of actual battery life in an installation.
If you have a low battery in a wireless sensor, the keypad displays a
LOW
BATTERY
message.
In addition, a battery-operated smoke detector with a low
battery emits a single "chirp" sound approximately once every 20–30 seconds,
identifying itself as the smoke detector with the weak battery.
Note:
The
LOW BATTERY
message comes on as a warning that battery
replacement in the indicated sensor(s) is due within 30 days. In the meantime,
the sensor causing the low-battery indication is still fully operational.
Important:
Use only batteries recommended by your installer as replacement
Wireless
sensors may
not have
been
installed in
y
our security
system.
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