Note: Video states a 1-year replacement period for Argus batteries, but the manufacturer has since changed its requirement to every repack, 500 jumps or Batt Low reading.

o Two CR123A Lithium batteries are to be replaced every repack, every 500 jumps or when the unit displays Batt Low or Batt Rpl.

o Unscrew Phillips head closing screw. Remove old batteries. Insert new batteries noting the polarity marks on the outside of the unit. Re-install battery back plate and tighten closing screw to snug.

o Turn unit on and follow time and date prompts. Once the time and date have been entered, the current mode will be displayed.