Omron M1 Plus - Preparation and Setup; Battery Installation and Replacement

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2.Preparation
2. Preparation
2.1 Installing/Replacing the Batteries
1. Turn the main unit upside down.
2. Slide the battery cover in the
direction of the arrow while
pressing the ribbed part of the
cover.
3. Install or replace four “AAA”
size batteries so that the
+ (positive) and - (negative)
polarities match the polarities
indicated on the battery
compartment.
4. Put the battery cover back in
place.
Slide the battery cover as indicated, until it clicks into place.
Note: The measurement values continue to be stored in
memory (for maximum 30 seconds) even after the
batteries are replaced.