16
a. CT ratio setting is the fi rst item display in programming
mode.
b. Press the NEXT button to change. The fi rst digit will
blink.
c. Use the UP or DOWN button to change the primary CT
value.
d. Press the NEXT button for the next digit. Repeat step (b)
& (c) to change, or else press NEXT button till the digit
stop blinking.
e. To proceed next setting press DOWN button. To exit
programming mode, press the PROG button. The user
will be prompted to confi rm the saving of settings if
change is made. Refer section 6.16.
6.2. SETUP CT RATIO
NOTE: CT ratio default value is 5/5A