Installation manual
Manual Part # 800-1402-001 Rev E  Page 27 of 48 
SPECIAL FUNCTION 3: ACCUMULATOR 
PROGRAMMING PARAMETER Pr24 set to 3 
The Measurement Accumulator Special Function allows multiple 
measurements to be made and a summation of the measurements displayed 
on the Digital Readout. 
To begin accumulation measurements do the following: 
1.  Press the F4 key to view any previous accumulator total value. 
The LCD will display Accu
AccuAccu
Accu for 1 second followed by the total accumulated 
measurements. The display format for the accumulated total is controlled 
by both the currently selected units mode (UNITS key) and the Special 
Functions Option, PR 25. 
a.  If PR 25 is set to 0, and the Digital Readout is in one of the inch 
modes, (decimal or fractions), the accumulated total is displayed in 
Decimal Inches. 
b.  If PR 25 is set to 0, and the Digital Readout is in metric mode, (mm 
or cm), the accumulated total is displayed in mm. 
c.  If PR 25 is set any non-zero value, and the Digital Readout is in one 
of the inch modes, (decimal or fractions), the accumulated total is 
displayed as feet and inches. (fff ii) where f=feet and i = inches 
d.  If PR 25 is set any non-zero value, and the Digital Readout is in 
metric mode, (mm or cm), the accumulated total is displayed as 
meters and millimeters. (MM mmm) where M=meters and 
m=millimeters. 
2.  Press the F3 key to clear the accumulator. 
The LCD will display CLr
CLrCLr
CLr for 1 second. The DRO will return to the normal 
measuring mode. 
3.  Start accumulating measurements. 
To add a measurement to the accumulator, make a measurement and then 
press the F3 key. The LCD momentarily displays Add
AddAdd
Add to indicate that the 
measurement has been added to the accumulated total. Additional 
measurements can then be taken and added to the total using the same 
procedure. 










