User guide

UNITY DAU Installation & Maintenance Manual
Indications and Controls
Supply Section Indicators
AC Indicates healthy AC mains available.
DC Indicates the battery supply is available.
Fault Either the AC supply or DC supply is unavailable, or a fuse has ruptured.
Amplifier Section Indicators (both channels are identical and independent)
Open The DAU cannot see both end of line resistors for this amplifier channel.
Short The DAU has detected a short on this amplifier channel.
Earth The DAU has detected an earth fault on this amplifier channel.
Access Section.
Fire Mic Lights green when the fireman’s microphone is activated.
Message Lights when a stored message is playing, Green for test, Yellow for the Alert
Message and RED for the Evacuate message.
Paging Lights green when the paging microphone is in use.
Music Lights green when the music channel is open, (no other inputs in use).
Test This is a recessed push button, pressing this starts the test message
broadcasting to the speakers.
Reset This recessed push button cancels any message playing (this will not cancel
messages triggered from the fire alarm if the trigger is still active) the
message always plays to the end of the current cycle once Reset.
Fault Section.
General This lights when the DAU detects any fault in its operation.
Fire Mic Lights if there is any fault with the fireman’s microphone or cables to the
microphone.
Message Lights if the message store in the DAU has detected a corruption.
Level Controls
Fire Mic Sets the Level of the fireman’s Microphone, capped after commissioning.
Message Sets the level of the stored messages in the Unity DAU, capped after
commissioning
Page Sets the level of the paging microphone input to the DAU
Music Sets the level of the music to the Speakers.
Document DCC UND 7001-01 Rev 1 June 2005 Page 4 of 17