Vingtor Stentofon VMP-5004, Installation & User Manual

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Installation & User Manual VSP-Ex System
A100K10872 3
3
System Description
3.1 Call from VSP-512 Station (Operative Unit) in Hazardous Area
You may select between 12 (alternative 4 or 8) other stations in the system.
Select the station by operating the station selector switch, and then press the call button for
several seconds, giving a signal to the selected station.

Lift the handset, and press and hold the handset button during the whole conversation.
You can now communicate with full power for guaranteed periods of 20 minutes.
After 20 minutes, you may extend the speech time by pressing the actual call button at the station
front.
3.2 Being Called in Hazardous Area
A received call in a hazardous area is indicated by audible or visible Ex-approved signal unit(s) for
Ex category II 2 G (Zone 1), or horn and sounder for Ex II 1 G (Zone 0), operated and fed with
power via the buffer unit in the safe area.

Lift the handset, and press and hold the handset button during the whole conversation.