Vaisala PTB330 - Manual (Page 91)

Chapter 4 ________________________________________________________________ Operation
VAISALA _______________________________________________________________________ 89
Locking Menu/Keypad by Using
Serial Line
LOCK
Use the LOCK command to display or turn on the menu lock with a
4-digit PIN code, for example 4444.
LOCK [x yyyy]
where:
x = 1 (menu locked)
yyyy = 4-digit PIN code
Example:
>lock 1 4444
Keyboard lock : 1 [4444]
>
Use the LOCK command to turn on the menu lock without PIN code
access possibility while retaining access to INFO and GRAPH
buttons.
LOCK [x]
where:
x = 1 (Menu locked)
Example:
>lock 1
Keyboard lock : 1
>
Use the LOCK command to disable the keypad completely.
LOCK [x]
where:
x = 2 (Keypad disabled)