Figure 37. Unlocking the front door
b) Ensure that you have the electrostatic discharge (ESD) wrist strap on and that the ESD clip is
plugged into a ground jack or connected to an unpainted metal surface. If not, do so now.
c) Twist the cover latch to the left (counterclockwise) to unlock the cover as shown in Figure 38 on
page 40.
Vertical is locked; horizontal is unlocked.
Control panel and control panel display for the 9009-41A, 9009-42A, or 9223-42H
39