KLING & FREITAG K&F TOPAS User Manual

Page 44

User's manual

System Amplifier K&F TOPAS

Version 3.1

Page 44 of 65

Control Inputs (GPI)
You can select the following options for every GPI:

Setting

Description

disabled

without function

Button action

Power OFF

Pushing the button switches the amplifier off.

Power ON

Pushing the button switches the amplifier on.

Button

Power Toggle

Pushing the button switches the amplifier on or
off.

0-10 V functions (0-10 V)

Gain CH1

The volume level of channel 1 is proportional to
the input voltage.

Gain CH2

The volume level of channel 2 is proportional to
the input voltage.

0-10V
Functions

Gain
CH1+CH2

The volume levels of channel 1 and 2 is
proportional to the input voltage.

Switching functions (Switch (ON/OFF))

Mute CH1

If a switch is closed, channel 1 is muted.

Mute CH2

If a switch is closed, channel 2 is muted.

Mute CH1+2

If a switch is closed, channel 1 and 2 are muted.

AES-EBU/
Analog

If a switch is closed, the AES/EBU input is activated.

Switch

PRIO Audio

If a switch is closed, the PRIO audio mode is
activated.

The setting 'invert Logic' inverts the logic of the corresponding GPI.

Voltages above 12V are not allowed and will be discharged to ground.