Installation manual
Operation Manual for LCD Digital Readouts  Page 16 of 48 
PLUS (+) & MINUS (–) KEYS  
Momentarily depressing the + or – key increments or decrements the current 
displayed value by one unit of measurement. 
Pressing and holding the + or – key will cause the displayed value to change 
continuously.    Continue  pressing  the  key  to cause  the  amount  of  change  to 
speed  up.    This  allows  for  quick  adjustments  over  a  large  range  of  values. 
These keys may be locked out to prevent accidental offset entries. 
See LOCK FUNCTION and Programming Parameter (Pr3). 
DATUM  KEY  
The DATUM key is used to change the currently displayed value. 
Momentarily pressing the DATUM key forces the display to a user programmed 
value. This can be zero or any other displayable value. 
See Programming Parameter (Pr1). 
The DATUM key can be locked out to prevent accidental entries. 
See LOCK FUNCTION and Programming Parameter (Pr3). 
Press and hold the DATUM key for 6 seconds to display the battery voltage. 
Press and hold the DATUM key for 9 seconds to display the temperature. 
The temperature is displayed in the format “xx.x F” or “xx.x C” where xx.x is the 
temperature and the units are in degrees Fahrenheit or degrees Celsius based 
on the current measuring units setting (Inch or Metric).  The temperature 
readout will continue to be displayed until the datum key is released. 
Temperature is sampled on startup and every 10 minutes thereafter. 
Momentarily or Press & Hold
Press & Hold
Mo
mentarily press










