LSIS XP10BKB/DC - Reaction Problem when Pressing the Key

Appendix 3. Trouble Shooting
App 3-5
Appendix 3.4 Reaction Problem when Pressing the Key
(1) Key is pressed but no operation occurs.
< Solution >
(Reason 1) Did you set the key when you make the screen data in the Panel Editor?
(Action) If initial screen is displayed when you press ESC and ENT keys simultaneously, key is normal.
Check each key in the Panel Editor
(Reason 2) Since buzzer volume setting is Off, the user may think that the key is not operating.
(Action) Check the buzzer volume setting in the system initial screen. When buzzer setting is off, the user may think that the key
is not operating.