Troubleshooting - ATN night raven User Manual

• Evaluate the scope functionality by looking through it in a lit environment with the daylight
filter lens caps on. never use in daylight without the daylight filter lens caps on.
• never point the night raven at a bright light source.
• Adverse atmospheric conditions such as fog, smog, or haze and a lack of ambient light
(moon or starlight) may diminish the effective viewing distance.
• If you use the rubber eyecaps for a long period of time, you may suffer skin inflammation. If
you develop any symptoms, consult a doctor immediately.

TrouBleshooTing

Q: flashes, flickers, or clicking occur while operating
s: If it occurs within the first five minutes of inserting new batteries, it is normal and the device
will resume normal operation soon thereafter. If it occurs for more than 10 minutes, contact for
service instructions.
Q: Dark spots on screen.
S: these are either cosmetic blemishes in the intensifier tube or dust particles.
Q: Screen becomes darker than at previous use.
s: replace batteries. If problem persists, contact your dealer or other authorized service
representative for service instructions.
Q: Image not clear.
s: adjust objective lenses, and/or the eyepieces.
TuBe mAinTAnAnce/replAcemenT
Tube maintenance/replacement is to be performed by qualified technicians only. These
procedures attempted by non-qualified personnel will void warranty.
1. Unscrew the eyepiece (f) from the case of device (a).
2. Unscrew the lock ring (e) from the case of device.
3. extract the ring (D) from the case of device.
3. extract the light guide (C) from the case of device.
4. extract the tube (B) to be replaced from the case of device (a).
5. Introduce the new tube (B) into the case of device (a).
6. Set the light guide (C) onto the place in the case.
6. Set the ring (D) onto the place in the case.
7. Screw the lock ring (e) into the case of device.
8. Screw the eyepiece (f) into the case of device (a).
A
5
c D e
B
f