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door, make sure the door is aligned with the slots on
the back of your SPT 1550, and that the batteries are
firmly seated in the battery compartment.
Caution:
While batteries are being replaced, data is retained
for approximately one minute. We strongly suggest
that you have your replacement batteries ready for
insertion before removing the old batteries from
the unit.
Starting the SPT 1550
To start your SPT 1550, press the power button.
Power
button
Summary of Contents for SPT 1550
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