B&K Precision 9171-9174 - Manual - Manual (Page 52)

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Options Description
OFF Default
ON Lock keypad
2. Press to save changes. Press twice to exit the
menu.
3. If ON is selected, all keys from the front panel, except
for , will be locked. The Lock LED indicator will be lit.
4. To unlock, press and the Lock LED indicator will turn off.
The KEY LOCK option under SYSTEM SETTING category
will automatically default back to OFF.
Disabling Key Sound
To disable the beep from key presses:
1. Press , then to enter SYSTEM SETTING. Select
BEEP. Press or to change it. Selectable options are:
Options Description
ON Default
OFF Disable key beep
2. Change it to OFF, and press to save changes. All key
presses will no longer beep.
3. To enable it again, set BEEP to ON.
Enter
.
Esc
.
Menu 1
Enter