ACU-RITE 00639W Instruction Manual page 6

Back of Display Unit
BACK OF DISPLAY UNIT
1. CLEAR TODAY Button
Clears data recorded since 12:00am.
2. RESET Button
Full reset to factory defaults.
3. A-B-C Switch
ID code that must match 3-in-1
sensor's A-B-C switch to ensure
units synchronize.
1 2
3
4
5
6
4. RESET REC Button
Resets all readings except time
& date.
5. Battery Compartment
6. Battery Compartment Cover
6