Honeywell Gent Viglion EN54 Generic Commissioning Instructions page 188

For the fire alarm systems
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VIG-BEAM Beam sensor
Select Gain
Course
adjustment
Time averages
b)
Select a gain from the table for the required path. Set the gain of the
receiver head, select [Test/Eng] -> [Gain] and enter gain value.
CAUTION: On changing the gain of the beam receiver, do
not:
power-down the control panel
or reset the local controller card
or reallocate or reset the loop having beam sensors
until gain changed acknowledge followed by the gain number
is display. Otherwise a 'Memory corrupt' message will appear
on the display.
Gain Distance
6-9
29-33
56-60
c)
Use the [Align] function in the [Test/Eng] menu and enter the two
sensor head addresses. Note the LEDs on the heads will flash once
every 2 seconds:
• a 1.9 seconds LED flash will be seen for a large signal
• a 100mS LED flash will be seen for a small signal.
d)
Adjust the transmitter head in X and Y directions to obtain a long
LED flash signal, allow at least 3 seconds for the flash rate to change.
Then lock the adjusters using the lock nuts.
e)
Repeat d) for the receiver head, to obtain a maximum flash length.
f)
Using the [Info] menu, read the time averages on channel 2 of the
receiver head, this should be between 140-170. After each adjustment
wait for 5 seconds for a change in the reading.
NOTE: For time average reading above 200 bits, carry out an [Autogain]
using the [Test Eng] menu. This will minimise the fine adjustment.
CAUTION: Never [Autogain] a range of outstations.
2m
10m
100m
Vigilon Sys tem Com mis sioning
Select Gain

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