Instruction manual
The Multi-Variable History Chart displays the change in conditions 
over the previous 12 hours. Track pressure, outdoor temperature and 
outdoor relative humidity.
Press the history chart button on the back of the display console 
 ( ) to cycle through and view the three history charts.
You can set the history chart to continuously cycle through all three 
history charts automatically. To turn automatic cycle mode ON or 
OFF, press AND HOLD the history chart button ( ) for 4 seconds. 
The cycle icon ( ) will appear on the display console when auto 
cycle mode is enabled.
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Multi-Variable History Chart
USE
Daily High / Low Records
USE
The high and low, or minimum and maximum, values for indoor and 
outdoor temperature and humidity are recorded each day. These 
records reset daily at midnight.
Low or Minimum Records
To view the minimum records, press the “adjust down” button ( ) 
on the back of the display console. The minimum recorded values 
will display for 8 seconds (note the “ ” icon indicating minimum 
records are displayed). To manually reset the records, press and 
hold the “adjust down” ( ) button while viewing the records.
High or Maximum Records
To view the maximum records, press the “adjust up” button ( ) on 
the back of the display console. The maximum recorded values will 
display for 8 seconds (note the “ ” icon indicating maximum 
records are displayed). To manually reset the records, press and 
hold the “adjust up” ( ) button while viewing the records.
Momentary Backlight
The blue momentary backlight provides easy viewing at night or in 
dim lighting. To activate the backlight, press the button located on 
the top edge of the display console. The light will illuminate for about 
10 seconds. Excessive use of the backlight will reduce battery life.
Pressure
automatic
cycle “ON”
indicator
Outdoor
Temperature
Momentary Backlight Button
Outdoor
Relative
Humidity









