Lock/Unlock Mode
MP-70/50 • MP-72/52 • MP-73/53 • PN 98-0002-29 • REV 1709.13 141
UNLOCK THE CONTROL
Follow the instructions to unlock the control.
1. Turn off the MP-70/50 control.
2. Press and hold SHIFT +1 keys while turning
on the control. Wait until CONTROL LOCKED
appears on screen before releasing keys.
3. Press YES to continue to unlock the control.
4. Unlock the control by using the same 4-digit
code (0-9) used to lock the control. Press [4-
digit code] # # # # and ENTER .
5. The control is unlocked.
CONTROL LOCKED!
UNLOCK CNTL? Y/N
ENTER YOUR CODE:
4 digits _______
CONTROL
UNLOCKED!
4 digits _______
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