Installation guide
VAR4 / VAR12 / VAR20 - Product Description
3.7.3.4 Music A/B Switching
Music may be routed via the Latent Route mechanism as mentioned in Section “3.7.3.1.2 Non-Latching
Mode”, any contact may be assigned as a control to switch between Music A and Music B phono inputs.
3.7.4 Remote Fault Indication
Besides the analogue and opto-isolated contacts the VAR Router provides two open collector outputs on the
base VAR4 unit Control Port 1, REMOTE FAULT-1 and REMOTE FAULT-2. These outputs are designed to
drive a remote Fault Panel. This panel enables remote fault indication and annunciation.
Each output is configurable by the VAR Router to drive a sounder, a fault LED, or an emergency DVA
indicator. Any contact may be configured to act as a local ‘fault accept’ button for the remote Fault Panel,
see Section “3.7.3.3 Remote Fault Accept”.
Issue: 03 complete, approved
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