SanRex SANARG 300AP Operator's Manual page 67

B) Remove the front control cover assembly from the front panel (see Figure 7-2).
• Remove the four mounting screws from the front control panel.
• Access the VRD control by gently prying back the front panel controls to
reveal the VRD enable/disable potentiometer (see Figure 7-2).
Do not pull back the front panel with excessive force as this may unplug cable
from the control or main PCB. Plugging the cable back into the main PCB from
the front panel control PCB can only be achieved by removing the side covers.
Figure 7-2 VRD Enable/Disable Step B
The VRD Enable/Disable potentiometer MUST ONLY be positioned fully
clockwise OR fully counterclockwise as the VRD function will be unknown for
every other position.
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