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Manta MA403 - Battery Backup

Manta MA403
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USER’S MANUAL
10
If you do not need the Alarm, simply switch the ALARM AUTO /
OFF SWITCH (1) toOFF” position. If you wish the Alarm function
again, switch it to “AUTO” position.
BATTERY BACKUP
By installing a 9 volt battery as described previously, the clock
will continue to operate in the event of a short temporar y power
failure or temporary disconnection of the power cord.
The clock display will not light up, and the Alarm will not function
while the AC mains power supply is interrupted.
The battery backup system is useful for short, temporary power
failures. If main power is disconnected for longer duration, the
battery may become exhausted, or there may be some loss of
timing accuracy. When the battery is exhausted, it should be
removed from the set, to prevent damage from leakage.
If you do not wish to use the battery backup, the clock will operate
normally without a battery. However, if disconnected from the
main supply, the clock display willash when the power is recon-
nected and the clock must be reset as described earlier.
EN