MSD-72 Series User’s Guide
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8.6 Locking and Unlocking key lock
Press and hold the “UNLOCK” key for 2 seconds or longer to set/cancel keylock for keys below. You will hear
a long beep sound and then the following message is displayed for 1 second. Operation Lock can be set and
done by group.
・
OPERATION LOCK ! (Locked)
・
OP LOCK RELEASE ! (Unlocked)
【
See: 9.16.1 Operation lock mode
Menu/operation keys
Control command execution keys
Input channel selection keys
DISPLAY POWER keys
Press and hold the “UNLOCK” key for 2
seconds or longer to set/cancel key lock
[Figure 8.5] Keys to be set/cancel operation lock (MSD-7204UHD)