Longacre 21710 Hot Lap Lti System User Manual
Transmitter, Display, Receiver
Lap count
Compare to
last lap
Internal
battery
indicator
Compare to
fastest lap
Latest lap time
Start button
Wires to receiver
Wires to back lite
Transmitter
Mount at edge of track
Red LED
Indicates ON
ON button
Hold until LED stops
flashing (also hold to shut off)
IR LEDs (6)
Invisible IR beam
Direction to “Aim”
Longacre Racing Products
360 453 2030 Monroe, Wa. USA
www.longacreracing.com
Red LED
Indicates
fastest
lap
5 sec.
Battery access on back. Remove 2 recessed
screws. Compartment opens like a door.
Uses 4) “C” Alkaline cells
Display
Mount in car where it can be easily seen - Velcro™ is included
Receiver
Mount in car to ‘see’
transmitter
Battery access on back. Remove
round cover. Replace w. 2032
‘coin’ battery. One edge goes
under brass tabs.
Transmitter
Receiver &
wires
Wires for backlite
Display
Red
LED
Indi-
cates
each
lap
1 sec.
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