Specifications

3
CAUTION:
• The Sirius isa precision electron-optical instrument, and must be handled carefully atall
times to prevent damage to the device and danger to the user.
• Toprotecttheintensiertube,do not remove the lens cap of the Sirius when the monocular
is being operated in daylight conditions, or when the device is not in use.
• UseoftheSiriusinbrightlylitconditionsmaydamagetheunit’sintensiertube.
• Bright light sources such as relight, headlights, searchlights, etc. can damage the Sirius.
Avoid exposing the unit to these types of light sources.
• Beforeremovingthelenscap,verifythatthephotoreceiverisopen.
• DONOTforgettoopenthephotoreceiveraftercompletingyourmission.
• DONOTattempttoforcethecontrolspasttheirstoppingpoints,asthismaycausedamage
to the mechanisms.
• Theunitmaybebadlydamagedifthetripodonwhichitismountedcollapsesoroverturns.
Remove the unit from the tripod if it is not within your reach.
• Beforereplacingtheintensiertube,conrmthatitisnolongercoveredbywarranty.
• ThoroughlydryeachcomponentoftheSiriusbeforeplacingtheminthestoragecase.
NOTES:
• Theequipmentrequiressomeambientlight(moonlight,starlight,etc.)tooperate.
• Performanceofthedeviceinnighttimeconditionsdependsonthelevelofambientlightin
the environment. Please remember the following:
— The level of ambient light is reduced by the presence of clouds, shade, or objects that block
natural light (trees, buildings, etc.).
— The equipment is less eective when operated in shadows and other darkened areas.
— The equipment is less eective when operated in rain, fog, sleet, snow, dust or smoke.
— The equipment will not “see” through dense smoke.
• Atoperatingtemperaturesbelow-20°C(-4°F),theuseofanalkalinebatteryis notrecom-
mended, as the battery life will be severely reduced. Under said conditions, lithium-iron disul-
de1.5VAAbatteriesortheirequivalentshouldbeused.
• TheIRilluminatorisintendedforincreasedillumination,asneeded,whenviewingataclose
distance of up to 3m.
• Forthepurposeofreturningdefectivecomponents,retainallpackagingmaterials.