4. INSTALLATION
4-17
DIP SW S1
The DIP SW S1 allows adjustment of the items listed in the table below. The items in
bold are the default settings.
Rotary SW S2
The Rotary SW S2 changes the frequency of the buzzer. Use a plastic screwdriver to
turn the switch to the appropriate position. See the illustration above for switch position
and frequency.
4.9
How to Adjust LED Brilliance
The brilliance of the LEDs on the BR-530, BR-540, BR-550 and BR-570 can be ad-
justed. If the brilliance is too low or too high, adjust the corresponding potentiometer.
Turn the potentiometer clockwise to raise brilliance, counterclockwise to lower it.
SW
No.
Function
DIP SW Setting
OFF
ON
1
Boot program overwrite
Enabled
Disabled
2
I/O test
Disabled
All LEDs, System Fail
and Flash Beacon go
ON.
3
ALR output (fixed interval output)
30s
60s
4
Flash Beacon function (2nd and
3rd stages)
Flashing
OFF
5
Processor Unit startup
Normal startup
Startup disabled. (For up-
dating the program of the
MAIN ALARM PANEL.)
6
IEC 61162 Baud rate
4800 (bps)
38400 (bps)
7
Sending Alarm at 2nd stage
None
Yes
8
No use
BR-530, BR-550
BR-540
Pot. for
ALARM LED
Pot. for
RESET LED
Pot. for
ALARM LED
Pot. for
DUTY LED
Pot. for
LED
BR-570
Summary of Contents for BR-500
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