Armasight NSMSIRIUS1GMDA1 Sirius GEN 3 Ghost MG Multi-Purpose Night Vision Monocular - Manual (Page 33)

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4.2 TROUBLESHOOTING
4.2.1 OPERATOR TROUBLESHOOTING
The purpose of troubleshooting is to identify the most frequently occurring equipment malfunctions,
their probable causes, and the corrective actions required to fix them.
Table 4-2 lists common malfunctions that may occur during the operation or maintenance of the Sirius.
Perform the tests, inspections, and corrective actions in the order listed in the table.
This table does not list all of the malfunctions that may occur with your device, or all of the
tests and corrective actions that may be necessary. If you experience an equipment malfunction
that is not listed, or is not fixed by the corrective actions listed in the table, please contact Armasight’s
Customer Service center.
TABLE 4-2. OPERATOR TROUBLESHOOTING
MALFUNCTION PROBABLE CAUSE/ TEST/INSPECTION CORRECTIVE ACTION
Monocular fails to activate. Battery is dead, missing or improperly
installed.
Replace the battery or install it correctly.
Battery contact surfaces or contact
springs are dirty or corroded.
Clean the contact surfaces with a pencil eraser
and/ or alcohol and cotton swabs.
Defective image intensifier. Please contact Customer Support.
Battery adapter difficult to re-
move.
Check for damaged battery adapter and
battery cap.
If damaged please contact Customer Support.
IR illuminator fails to activate. Turn the IR illuminator on in a dark area.
Visually estimate whether or not the ob-
served scene is illuminated.
If the IR illuminator fails to activate, please contact
Customer Support.
LED indicators fail to activate. Visual inspection. Please contact Customer Support.
Poor image quality. Check objective lens or eyepiece focus. Refocus the lens.
Check for fogging or dirt on the lens. Clean the lens as detailed in Part 4.4.2. If image
quality is still poor, please contact Customer Sup-
port.
Damaged optical components. Please contact Customer Support
Light is visible around the eye-
cup.
Check the exit pupil distance value. Readjust for proper eye-relief distance.
Check the eyecup resilience. If the eyecup is defective, please contact Cus-
tomer Support.
Focusing ring cannot be moved. Check to see if the focusing ring is bent
or broken.
If damaged, please contact Customer Support.
Eyepiece ring cannot be moved. Check to see if the eyepiece ring is bent
or broken.
If damaged, please contact Customer Support.