Iris Potentiometer (Ocp 42) - THOMSON OCP 42 Manuel D'utilisation

192 Chapter 3 - OCP 42/OCP 50 Maintenance
Adjustments

3.2.3 - IRIS potentiometer (OCP 42)

This adjustment is to be made if the calibration operation described in paragraph 2.2 has not
taken place correctly.
Adjustment
• Remove the panel cover, leaving all the connections in place.
• Remove the monocontrol.
• Set the joystick to mid-travel.
• Loosen the iris potentiometer attaching screws.
• Rotate the potentiometer (leaving the joystick at mid-travel) to obtain a voltage of 2 V (± 0.5
V) on the potentiometer cursor.
• Tighten the iris potentiometer attaching screws.
• Fit the cover.
THOMSON OCP 42/OCP 50
B1500M24LA
User manual
September 2000