User guide
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Dwyer DLI-H
  is  used  in  the  DLI-H.  This  can  be  changed  by  first  pressing 
  the  F1  button  to  highlight  the  type  parameter  configuration  tab. 
  Once  the  tab  is  highlighted,  the  battery  type  can  be  changed  by 
  either pressing the F1 key repeatedly or by using the UP and DOWN 
  arrows to select the correct battery type. The percent battery power 
  remaining,  external  power  presence,  battery  voltage  and  external 
  power voltage are also displayed on the Power Status screen.
5.5.iii Device Information
The F3 key in the Setup Menu displays the Device Information screens. Here 
device identification information can be found including serial number, product 
ID,  revision,  and  subtype. Calibration parameters  are  also found under 
device information including the date the device was last calibrated and 
when it will be due for calibration again. Firmware details are also found here. 
  5.5.iii.a Device Range (Minimum)
  The Minimum Device Range screen can be accessed by pressing the 
  F1 key while viewing the Device Information screen. This display 
  indicates the minimum values which the DLI-H is capable of detecting 
  and logging. Values on this screen cannot be modified. 
  5.5.iii.b Device Range (Maximum)
  The Maximum Device Range screen can be accessed by pressing the  
  F2 key while viewing the Minimum Device Range screen. This display 
  indicates the maximum values which the DLI-H is capable of detecting 
  and logging. Values on this screen cannot be modified.
  5.5.iii.c Calibration Parameters
  Pressing F3 while in the Maximum or Minimum Device Range  
  screens  will  display  the  device  calibration  parameters.  This  screen 
  displays information indicating the most recent calibration date as  
  well as the date the next calibration will be due. 
It is important to keep your device properly calibrated to 
ensure accurate readings.










