Omega DP461-S - Main Board Power Jumpers; Figure 5-3 Transformer Jumpers

5.2.2 Main Board Power Jumpers
To check voltage jumpers from 115 V ac to 230 V ac:
CAUTION: The meter has no power-on switch; it will be in operation as soon
as you apply power. To change the factory preset jumpers, disconnect the
power from the unit. Failure to do so may result in injury! The jumpers must
be changed by specifically trained personnel.
Figure 5-3. Transformer Jumpers
W2
W3
W1
AC POWER
BOARD
MAIN
BOARD
T1
REAR OF
METER
5-5
Setup
5