User`s manual

User's manual System Amplifier K&F TOPAS

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.