Omron hem-773ac ユーザーズマニュアル

1. Slide the battery cover off 

in the direction of the arrow.

2. Install or replace 4 “AA” size

batteries so the + (positive) 
and – (negative) polarities 
match the polarities of the 
battery compartment as indicated.

3. Replace the battery cover.

If the Low Battery 
Indicator (

) appears 

on the display, replace 
all four batteries. 
Long-life alkaline 
batteries are recommended.

Remove the batteries if the monitor will not be used for 
an extended period of time.

If the batteries remain removed longer than 30 seconds, 
the set date and time will be deleted.