9. Troubleshooting Guide
Problem Possible Cause Solution
Absence of
image on
the image
tube
1. The batteries are
dead
2. Contact has been
cut off between
the batteries and
the connection
points
3. The Light Amplifier
has been
overloaded
1. Change the
batteries
2. Clean the
battery
contact points
3. Replace cap,
power unit
down, wait 5
minutes, and
power unit back
up.
Low
brightness,
or dim
image on
the image
tube
1. Battery current is
low
2. Observed object is
poorly illuminated
3. Dirty Objective
lens
4. Lens Cover still on
1. Change the
batteries
2. Switch on
the IR
illuminator.
3. Clean lens
4. Remove lens
cover if light
level is
below 5 lux
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10. Warranty
This product is guaranteed for quality
compliance of the device per the technical
specifications when the device is used while
observing the rules of operation,
transportation, and storage.
The warranty period of the device is 12 months
from the date of sale.
If the device is returned under the warranty
policy it must be properly packaged and
shipped so that it is not damaged from impacts
or shock. The purchasing receipt and a short
explanation of the problem must accompany
the scope.
Under no circumstances will any device be
warranted in the event the device is misused
or mishandled.
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