Honeywell GENT Nano panel-based Commissioning Instructions page 80

At any time you can cancel Beam Alignment
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Note the LEDS on the heads will flash once every 2 seconds:
d.
•
a 1.9 seconds LED flash will be seen for a large signal
•
a 100mS LED flash will be seen for a small signal.
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
e.
using the lock nuts.
Repeat the above at the receiver head and obtain a maximum flash length.
f.
Check the time average of the receiver head is between 140-170, see section on time averages. The time average value it should be between 140-170 bits.
g.
After each adjustment wait for 5 seconds for a change in the reading.
"
Where a time average reading of above 200 bits is read then carry out an autogain for fine adjustment.
You will need to be at Access level 4.
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For fine adjustment unlock the lock nuts to allow Y axis adjustment and using the adjusters move the transmitter head in Y direction, then:
h.
•
stop on reaching a time average reading 5 bits below the peak value
•
while counting the number of turns, adjust in the opposite direction to reach 5 bits below the peak value
•
finally turn the adjuster half the number of counted turns, towards the peak and then stop
•
secure the axis adjusted using the lock nuts
Repeat h) for adjustment in the X direction.
i.
j. Repeat h) and I) at the receiver head.
Carry out a final Autogain. Then recheck the time average reading is within 140 to 170 band. Back up the appropriate adjustment to the flash memory, see
k.
page 28.
4188-949 issue 3_05/10_Nano Comms inst.
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> Select Autogain Select
Nano panel based system
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16:15 Tue 16/02/10
Warning! Selecting this option will
initiate the beam autogain procedure.
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