Omron L User Manual page 136

Releasing Zero Reset
1.
Set the mode switch to RUN.
2.
Hold the ENT and RIGHT Keys down
together for about three seconds.
To release zero reset from an external device,
input the zero reset signal for one second
minimum.
Zero reset will be released and the zero reset indicator will turn OFF.
Section 6
AUXILIARY FUNCTIONS
LD ON ZERO ENABLE
ZX-L-N
User's Manual
(mm)
119