R:\Timing\PRODUITS\HL2-33\EN\HL2-33_EN_02-09.doc
12.02.2009
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only for aiming. You want the red signal LED to extinguish and
stay
extinguished.
Once the red signal LED stays solidly
OFF
, go back over and readjust the
ONE transmitter on the other side of the line. Continue to refine the aim
point for BOTH receivers by carefully adjusting the transmitter(s). Use the
sighting groove
(1)
as a rough guide. Make sure the transmitter is on and all
LEDs are extinguished (normal). Try to get the one transmitter to aim at and
“cover” both receivers and make the red “signal” lights on each receiver go
out. You’re looking for a “center point” of best aim. Take your time and work
back and forth if necessary using the two receivers and ONE transmitter at
first. Fine-tune this alignment on
LOW
power until one transmitter is
covering the TWO receivers perfectly.
Go back to the receivers and aim them again by using the sighting groove
(1)
. Once roughly aimed, carefully move each receiver to zero-in on the
transmitter signal using the “SIGNAL” LED condition as your only guide.
Once the “SIGNAL” LED starts responding to aiming, avoid using the
housing as a rough guide and now use the SIGNAL LED reaction
exclusively to fine-tune the aim point. You are in proper alignment when
LED
(4)
"SIGNAL" is firmly and solidly off (not even flickering) and stays off
even if you move the receiver photocell slightly (the “tap” test).
Return to the transmit side and now finally fine-tune the aim of the
transmitter to the receivers with the aid of the red LED as seen through the
lower lens of the receiver. This luminous indicator placed under the
receiving lens allows you to very accurately “center” the alignment of the
transmitter on the receiver from across the line and is a huge assistance to
assuring correct installation. It should be possible on low power at 40m to
easily find the solid center-point of the aim of one transmitter to both
receivers.
Turn OFF the first transmitter once aligned, and repeat the same process
with the second transmitter. It is crucial that the two transmitters be able to
independently cover BOTH receivers.
Only when both transmitters are aimed, turn off BOTH transmitters and
Install the transmitter Synchronization link cable
into the SYNCRO
jacks on each transmitter housing. Do not overtighten this cable connection.
When the cable is installed, turn on the transmitters
simultaneously
and
watch for all LED’s to flash and extinguish. Check alignment one last time
by momentarily covering one of the two transmitters to see that no signal is
produced on the receivers (watch the lower lens of the receivers for a red
flash/light when triggered/obscured).
