Radio Shack PC-2 TRS-80 - Lock;Unlock

To generate the same symbol but with hex numbers, type:
20: ,::':;CUF:::::OF' 100
LOCK/UNLOCK
Locks/Unlocks Current Operation Mode
LOCK
UNLOCK
This statement "locks" the PC-2 into the current Operation Mode (RUN, PROgram, or RESERVE). After LOCK
(ENTER) is typed, you cannot change modes by pressing (MODE) .
On initial start-up, the PC-2 is not locked into any mode. If you lock the current mode and turn the Computer off,
LOCK will still be in effect when you turn the PC-2 back on.
To unlock the Computer, allowing you to change modes, type: UN LOCK (ENTER)
Whenever you type N EWO (ENTER) , the PC-2 is set to UNLOCK.
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