Guntermann & Drunck HK-Controller 20 Installation - Handbuch (Seite 31)

Status displays
G&D HK-Controller 20 · 12
Status displays
The LEDs on the device’s back panel let you monitor the operating status at any time.
LED Status Meaning
Status On The device is ready for operation.
Blink-
ing
There is no keyboard connected or
the keyboard is being initialised.
Off The device is turned off.
Power On The power pack or the connected PS/2 and USB cables
supply the required voltage.
Blink-
ing
The power supply by the PS2 and USB cable are instable.
Connect the supplied portable power pack to the device.
Off The device is not supplied with voltage.