Kemper KHS Mini System Control Installation And Operating Instructions Manual page 26

Alarm buzzer
If an error occurs in the system controllers, it can be acoustically reported. To activate this function,
select the menu item "Alarm buzzer" in the system control submenu with "OK". Pressing "OK" again
saves the selected setting; the system control submenu opens again.
Ill. 8.13 Activating the alarm buzzer
Key press signal
The key press signal can be activated or deactivated through the "Key press signal acknowledgement"
menu item. To do that, select the "Key press signal acknowledgement" menu item in the system
control submenu with "OK". Pressing "OK" again saves the selected setting; the system control
submenu opens again.
Ill. 8.14 Activating the button
Display contrast
Use the "Display contrast" menu item to set the display contrast. To do that, select the "Display
contrast" menu item in the system control submenu with "OK". Press the "↑" and "↓" buttons to change
the contrast. Pressing "OK" again saves the selected setting; the system control submenu opens
again.
Ill. 8.15 Display contrast
Display illumination
Use the "Backlight" menu item to set the operating time of the display illumination after the last press
of a button. To do that, select the "Backlight" menu item in the system control submenu with "OK".
Press the "↑" and "↓" buttons to change the time the display continues to illuminate. Save the selected
settings by pressing "OK" again. The system control submenu opens again.
Ill. 8.16 Display illumination
Manual KHS Mini System Control 23