Chaney Instrument 420 Thermometer User Manual


 
7
OPERATION
Using the Thermometer
High/Low Records
Press the “MAX/MIN” button to view minimum and maximum outdoor and in-
door temperature records. The temperature records are automatically cleared
daily at midnight.
To view the MAXIMUM recorded outdoor and indoor temperature readings,
press and release the “MAX/MIN” button. The “MAX” icon appears on the
display.
To manually clear the MAXIMUM recorded values, press and hold the “MAX/
MIN” button while in the MAX view mode. Dashes display to conrm you have
cleared the MAXIMUM records.
To view the MINIMUM recorded outdoor and indoor temperature readings,
press and release the “MAX/MIN” button until the “MIN” icon appears on the
display.
To manually clear the MAXIMUM recorded values, press and hold the “MAX/
MIN” button while in the MIN view mode. Dashes display to conrm you have
cleared the MINIMUM records.