User Manual
    GOM-804 & GOM-805 User Manual 
26 
Zeroing (Relative Function) 
Background 
The Relative function is used to perform a zero 
adjustment on the test leads. 
After the Relative value is pre-set, each measurement that 
is displayed is equal to the actual value minus the relative 
preset value. 
Note 
The Relative function cannot be used with the Scan or 
Diode functions. 
1. Short the 
cables 
Short the test cables together as shown in the diagram 
below: 
SOURCE SENSE SENSE
SOURCE
Source+
/Sense+
Source-
/Sense-
2. Set the 
Reference value 
Press the 
REL
key. 
3. Relative mode 
display appears 
Before REL
After REL
Rel: 
Indicates the Relative function is active 










