![background image](http://html1.mh-extra.com/html/omega/hhp400/hhp400_user-manual_4173834014.webp)
M20011 REL-0000 (2103)
User Manual for Smart Manometer
14 of 60
Know your batteries
▪
Never
mix batteries—not by manufacturer or by size, by
capacity, or by chemistry.
▪
Never
mix old and new batteries.
▪
Remove
all four batteries in the Smart Manometer at the same
time.
▪
Replace
all four batteries with batteries from the same
package or with the same expiration date.
Install the batteries
1. Turn over the Smart Manometer so the display faces down.
2. Remove the two screws on the battery cover with the Phillips-
head screwdriver by turning them counterclockwise.
3. Insert the four AA batteries.
Note: Pay attention to the positive (+) and negative (−) battery
polarity markings at the bottom of the compartment.
4. Replace the battery cover.
5. To secure the cover, torque the screws clockwise 2 in. lbs.
maximum.
6. Do not over tighten.
To prevent internal damage to circuitry, do not substitute screws
with lengths that are different from the screws provided to you.
Watch for the low battery indicator
The battery indicator on the display shows the current charge.
Note: Be prepared to change batteries when you see the outline
of the battery icon and the outline of the battery icon flashes.
You have approximately 2 hours of run time following a low
battery warning.
Refer to battery manufacturers’ instructions
Visit the website of the battery manufacturer to learn more about
the care, storage, shipping, use, disposal, and recycling of your
batteries.