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Remote Control
Transmitter
Battery Replacement
(SEC-8448A)
Place the SEC-8448A on a flat surface with
the buttons facing downward. Remove the
battery case screws using a Phillips screw-
driver.
While holding the unit with the buttons facing
upward, remove the top cover by gently
lowering the bottom cover and pulling the top
cover toward you.
Insert a new Lithium battery (#CR2025).
Make sure the battery polarity is correct.
Replace the top cover by inserting the upper
end first.
Tighten the screws.
Cautions on use of the Remote Control
Transmitter
When following conditions will occur in using
the Remote Control Transmitter, please
change the battery (#CR2025) of the remote
control transmitter.
• Brightness of the display is low.
• The transmission distance becomes short
extremely.
Lithium Battery (#CR2025)
Pile au lithium (#CR2025)
Pila de litio (#CR2025)
1
2
3
Phillips Screwdriver
Tournevis Phillips
Destornillador Phillips
Battery Case Screws
Vis du compartiment à pile
Tornillos del compartimiento
de la batería
Battery Case
Compartiment à pile
Compartimiento de
la batería