500TRM-002
Page 13 of 22
March 2007
6. Check that the indicator of the fine adjustment potentiometer is pointed towards the 12 o’clock
position. If necessary, use the screwdriver to turn the fine adjustment potentiometer so that the
indicator is pointed towards the 12 o’clock position.
7. With the screwdriver, turn the 16-step switch so that its indicating arrow points towards the selected
position switch position.
Turning the switch CLOCKWISE selects a HIGHER trip point.
Turning the switch ANTI-CLOCKWISE selects a LOWER trip point.
8. Adjust the position of the fine potentiometer as required.
When the potentiometer is turned clockwise the trip point is
INCREASED.
When the potentiometer is turned fully counter-clockwise the trip point is
DECREASED.
9. Replace the protective label. Write the selected trip point on the label.
