GDM-8261 User Manual 
58 
Relative Value Measurement 
 
Applicable to 
 
Background 
Relative measurement stores a value, typically the data at 
the moment, as the reference. The following 
measurement is shown as the delta between the reference.
The reference value will be cleared upon exit. 
1. Activate 
Relative 
measurement 
Press the REL key. The 
measurement reading at the moment 
becomes the reference value. 
 
2. Relative 
measurement 
display appears 
 REL 
Indicates Relative value measurement 
 2nd display 
Shows the measurement range. 
 1st display 
Shows the delta between the current 
measurement data and the reference 
alue 
View reference 
(REL) value   
Press the 2nd key to view the 
reference (REL) value.   
 
Reference (REL) 
measurement 
display appears 
 2nd display 
Indicates that the reference (REL) value 
is displayed on the 1st display 
 1st display 
Shows the reference (REL)value at full 
scale 
Manually set the 
reference value 
1.  To set the reference (REL) value 
manually, press the Shift key 
followed by the REL key. The 
setting appears. 
REL
REL#
 
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