Synel SY-760, User Manual

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3 Internal components
3.1 Battery back-up modules
The terminal has two back-up battery modules, one for the real time clock memory and the other for
operation during a power failure.
The standard memory back-up module is a lithium battery, which will keep the internal clock running
and the memory intact, for 30 days during a power failure.
Warning!
There is a risk of explosion if the lithium battery is replaced by an incompatible battery. You must dispose of used batter-
ies as per manufacturer’s instructions.
The back-up battery provided (in addition to the standard memory back-up) is a self-recharging
system which allows the terminal to be operated during a power failure. The battery provides power
for one and a half net hours of use. A shutdown timeout feature enables the terminal to operate for
more extended periods of time.
There are two types of timeout shutdowns:
• The firmware default timeout of 15 seconds. This option is used if the terminal has not been
otherwise programmed (to a different timeout), if the application specifying otherwise has not been
loaded or if there is an error in the application.