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User's manual<br />
System Amplifier K&F TOPAS<br />
In the factory setting, this volume controls are disabled.<br />
In the web interface you can enable this volume control. (see page 41)<br />
It is possible that an external control element (web interface, remote, GPI) sets the gain of<br />
a channel at a lower level than what the gain control's position indicates. In this case, you<br />
must turn down the potentiometer until the current value of the control is the same as the<br />
current gain. When you have done this, you can once again change the volume using the<br />
gain control.<br />
If you control the volume using the GPI interface, you must follow the same rules as with the<br />
gain controls on the front panel.<br />
To adjust the volume on the front panel, the gain controls must not be locked. (See page<br />
41)<br />
5.5.3.5 Delay<br />
For each channel you have a delay for time alignment of a maximum of 2000 milliseconds.<br />
Calculate the delay with the following formula:<br />
t = d / c<br />
t = time in seconds<br />
d = distance in meters<br />
c = speed of sound in m / s<br />
KLING & FREITAG GMBH © 2012 Revision 3.0 Page 25 of 65
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