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User's manual<br />
System Amplifier K&F TOPAS<br />
Control Inputs (GPI)<br />
You can select the following options for every GPI:<br />
Setting<br />
Description<br />
disabled<br />
without function<br />
Button action<br />
Button<br />
Power OFF<br />
Pushing the button switches the amplifier off.<br />
Power ON<br />
Pushing the button switches the amplifier on.<br />
Power Toggle<br />
Pushing the button switches the amplifier on or<br />
off.<br />
0-10 V functions (0-10 V)<br />
0-10V<br />
Functions<br />
Gain CH1<br />
The volume level of channel 1 is proportional to<br />
the input voltage.<br />
Gain CH2<br />
The volume level of channel 2 is proportional to<br />
the input voltage.<br />
Gain<br />
CH1+CH2<br />
The volume levels of channel 1 and 2 is<br />
proportional to the input voltage.<br />
Switching functions (Switch (ON/OFF))<br />
Switch<br />
Mute CH1<br />
If a switch is closed, channel 1 is muted.<br />
Mute CH2<br />
If a switch is closed, channel 2 is muted.<br />
Mute CH1+2<br />
If a switch is closed, channel 1 and 2 are muted.<br />
AES-EBU/<br />
Analog<br />
If a switch is closed, the AES/EBU input is activated.<br />
PRIO Audio<br />
If a switch is closed, the PRIO audio mode is<br />
activated.<br />
The setting 'invert Logic' inverts the logic of the corresponding GPI.<br />
Voltages above 12V are not allowed and will be discharged to ground.<br />
KLING & FREITAG GMBH © 2012 Revision 3.0 Page 44 of 65
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