Carmanah M850 & M860 Self-Contained LED Lantern Instructions
v1.
1
Jan
201
6
18
Installation
If District has determined that the Carmanah M850 or M860 satisfies effective intensity and
autonomy requirements, then the lantern may be installed on either a steel buoy, a 5 X 9 foam
buoy, or on a structure.
Program the lantern prior to installation on the buoy or structure according to the instructions
provided in SECTION 3. After programming, cover the lantern or move to a dark room to
simulate nighttime. Confirm that the lantern flashes under the correct flash characteristic.
“Time” the light with a stopwatch. Confirm that all five LEDs are operating
(check the LEDs by
looking around the lantern just above the lantern’s focal plane but DO NOT look directly into the
lantern with your eye at the focal plane). Another method is to wrap a piece of white printer
paper around the lens and view the projected image of the LEDs on the paper. Then, verify one
last time that the correct effective intensity has been programmed in by tapping the lantern’s
optic head and checking the digital LED display readout. The effective intensity setting (EInt)
sequences immediately after the flash characteristic setting (FLSh). Test the lantern outside for
24 hours to ensure proper operation; and, finally, recharge the lantern back to 100% state-of-
charge before deployment.
Buoy Mount
Top of Radar
Reflector
1/2” Bolt
Flat Washer
Split Lock
Washer
Nut
Mount the lantern
on a buoy
as shown in the figure above. The lantern must always be
mounted with 3 bolts, never 4. Note that stainless steel or nylon flat washers
MUST BE
installed between the lantern and buoy’s mounting plate to prevent distortion of the lantern’s
base. Stainless steel washers should also be installed between the heads of the mounting
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