Armasight NKBDASTRI511I11 Dark Strider GEN 1+ Night vision binoculars - Manual (Page 8)

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5. TROUBLESHOOTING
Common problems that may occur with your binoculars or the detection and viewing tests, as well as
actions you can take to correct them, are listed in Troubleshooting Table, below. This table does not
list all of the malfunctions that may occur with your device. If you experience a malfunction of the
device that is not listed in this table, please contact Armasight or your Dark Strider retailer.
NOTE:
Before you use this table, be sure you have performed all normal operational safety, care and
handling checks and procedures. If your device malfunctions in a way not listed in this table,
contact Armasight or your Dark Strider retailer.
Troubleshooting Guide
PROBLEM POSSIBLE CAUSE ACTION
The binoculars do not turn on
Press the PWR button. Press the PWR button repeatedly.
Inspect for a missing, defective or im-
properly installed battery.
Replace the battery or install it prop-
erly.
If these actions fail, submit the device for unit level maintenance.
Poor image quality
Check if the eyepieces are focused. Focus the oculars.
Check if the lenses are greasy, fogged or
dirty.
Thoroughly clean the surface of each
lens.
If the problem persists, contact your service center.
Light visible through the eyecups
Check the exit pupil distance value. Press the eyecups to your face.
Check the resilience of each eyepiece.
If the eyecups are defective, contact
your service center.
Diopter adjustment cannot be per-
formed
Check to see if the diopter adjustment
rings are deformed or broken.
If the diopter adjustment rings are
damaged, contact your service center.
IR illuminator does not switch on
Turn the IR illuminator on in dark area with
the binoculars on. Visually estimate, if the
observed scene is properly lighted.
If the IR illuminator does not turn on,
contact your service center.