Clear-Com HX System Frames - Manual (Page 231)

Figure 8-11 Setting IFB Dim on Crosspoint
The level settings from +12dB to -30dB represent the levels set for audio through the
crosspoint and Mute stops all audio through the crosspoint. Below this are the IFB dim
levels from 0dB to -30dB and Mute (IFB completely interrupts audio feed).
Setting Up IFBs in Imported Configurations
When a EHX 4.2 map is imported the IFB control information V-Series panels is lost due to
changes in the way the configuration data is organized. To restore the IFBs and restore
the control information:
1) Open Panel Programming from the Configuration menu.
2) Select the V-Series panel that the IFB control was originally attached to.
3) Open the audio mixer.
4) Use the audio mixer to set the IFB dimming for EXT1 and EXT2 crosspoints as
required. This action creates Panel IFB relays IFB1 and IFB2 for that panel.
5) Close the audio mixer.
6) Open the Control Manager.
7) Select the Panel IFB relays tab. The available IFBs are displayed.
231 Eclipse EHX Software User Guide