Amrotec MiB-9 Operator's Manual page 30

4. SETTING
1. LOCK MENU
 To prevent accidental MODE switch, operator can disable the MODE key function under LOCK MENU as
MODE LOCK (ON).
the MODE key becomes inactive. If operator
wishes to change counting MODE, it will first
require deactivating the MODE LOCK function
to (OFF). To switch to ON/OFF, use
or corresponding numeric key followed by
START/ENTER key to confirm your selection.
30
While MODE LOCK is (ON),
()()
key