Denso 400BW-CE User Manual page 63

Chapter 2 Getting Started the BHT and System Menu
(12) Push the battery cartridge into the BHT. The end of the battery pull strap should come out from the
under edge of the battery cartridge.
(13) Set the battery cartridge cover back into place and return the release button to the original position.
Battery cartridge cover
Battery cartridge
Battery pull strap
Release button
(14) Attach the hand belt to return the unit to its original condition.
Hand belt
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