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High & low records, Troubleshooting – AcuRite 00638 Weather Station User Manual

Page 12

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12

High & Low Records

The “MIN/MAX” button displays minimum and maximum recordings for outdoor and

indoor temperature and humidity. To view the MINIMUM temperature and humidity

readings, press and release the “MIN/MAX” button until the “MIN” icon appears on

the display next to the low records. To view the MAXIMUM temperature and humidity

readings, press and release the “MIN/MAX” button until the “MAX” icon appears on

the display next to the high records.
To reset the MINIMUM records, first view the MIN records by pressing the “MIN/

MAX” button until the “MIN” icon appears on the display. While viewing the MIN

records, press and hold the “+” and “SCALE” buttons simultaneously for 3 seconds.

Dashes will display to confirm all MIN values have been cleared.
To reset the MAXIMUM records, first view the MAX records by pressing the “MIN/

MAX” button until the “MAX” icon appears on the display. While viewing the MAX

records, press and hold the “+” and “SCALE” buttons simultaneously for 3 seconds.

Dashes will display to confirm all MAX values have been cleared.

Troubleshooting

Problem

Possible Solution

No outdoor sensor

reception

no bars

• Relocate the display unit and/or the 3-in-1 sensor.

The units must be within 330 ft (100 m) of each other.

• Make sure both units are placed at least 3 feet (.9 m)

away from electronics that may interfere with the wireless

communication (such as TVs, microwaves, computers, etc).

• Use standard alkaline batteries (or lithium batteries in

sensor when temperature is below -4ºF/-20ºC). Do not use

heavy duty or rechargeable batteries. NOTE: It may take

up to 20 minutes for display unit and sensor to synchronize

after batteries are replaced.

• Synchronize the units:

1. Bring both the sensor and display unit indoors and

remove at least one battery from each.

2. Make sure the A-B-C switch on both units match.
3. Reinstall the battery in the outdoor sensor.
4. Reinstall battery into the display unit.
5. Let the units sit within a couple feet of each other for

about 20 minutes to gain a strong connection.

Outdoor

temperature

is flashing or

showing dashes

Flashing of the outdoor temperature may be an indication of

wireless interference:
• Make sure the A-B-C switch in the battery compartments of

both the display unit and sensor are switched to the same

letter. You may choose A, B or C; but both units must match

to sync up. Sometimes changing to a different channel

helps.