BFM 400 Microphones
Operating Instructions
2
BFM400 Operation Manual issue 7
1.1 T
HE
BFM 400 M
ICROPHONES
R
ANGE
The range of BFM400 microphones include the following types:
Name
No. of Zones
BFM401
1
BFM404
4
BFM408
8
1.2 M
ICROPHONE
O
PTIONS
& F
EATURES
All microphones in the BFM400 range include the following
features as standard:
• Housed in a sealed (IP66) lockable steel enclosure,
• All buttons and indicators mounted behind a stylish overlay
that allows zone button labels to be inserted and protected
• “Zone Status” indicators show if a zone is currently selected
or in use (BFM404 & BFM408)
• “Speak Now” indicator to show the user when a pre-
announcement chime has finished
• Simple bar graph display shows the user the current speaking
volume to ensure a clear announcement is made
• “Data” and “Power On” indicators to show the unit is
functioning correctly
• A Common Fault indicator is included to show the user if a
fault is evident on the system
• The Fist Microphone capsule can be set for either Monitored
or Un-Monitored use during configuration
• Option to fit flip-top switches to enable DVA Messages to be
broadcast.
• Option to fit a “Processor Bypass” hard-wired press to talk
switch.