BFM 400 Microphones
Operating Instructions
BFM400 Operation Manual issue 7
3
1.3 C
ONTROLS
& I
NDICATORS
The Front Panel controls and indicators are as follows:
Figure 1.2 — Typical BFM404 Front Panel Controls & Indicators
A
"Speak Now" Button
Press button to make an announcement to the selected
zone or zones
B
Speech Level Indicator
To ensure clear announcements, the operator should
keep the level below the yellow indicator
C
"All Call" Button
Press button to speak to All Zones, regardless of
selected zones
D
"Fault Accept" Button
Press button to accept a fault on the system and silence
the fault buzzer. This button also acts a "Lamp Test" to
check the operation of all indicators
E
System Fault Indicator
Indicates a fault has been detected on the system
F
Zone Status Indicator
When a zone is selected, this indicator will flash to
indicate it is selected for the announcement.
If the zone is currently busy, the indicator light
constantly and not flash.
If the zone is busy but also selected, the indicator will
flash intermittently
G
Zone Label Area
Area for Zone labels inserted beneath the overlay
H
Zone Button
Press button to select a zone
I
"Speak Now" Indicator Indicates the pre-announcement chime has finished
J
"Data" Indicator
During normal use, this indicator will flash to show the
microphone is communicating with the system
K
"Power On" Indicator
This indicator shows the microphone is receiving power
from the system
L
"VA Active" Indicator
Indicates if a zone is currently broadcasting an
emergency message or announcement. Note: Busy
indicator when BFM401 used in Parallel Mode.