Bedienungsanleitung Pulsar Digisight LRF N850 (Seite 10 von 50) (Deutsch, Englisch, Französisch, Italienisch, Spanisch)

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STORAGE

Always store the unit in its carrying case in a dry, well-ventilated space. For

prolonged storage, remove the batteries.

TROUBLESHOOTING

Listed below are some potential problems that may occur when using the scope.

Carry out the recommended checks and troubleshooting steps in the order

listed. Please note that the table does not list all of the possible problems. If the

problem experienced with the scope is not listed, or if the suggested action

meant to correct it does not resolve the problem, please contact your seller.

Peculiarities of CCD array

CCD arrays employed in Pulsar digital night vision devices, feature high quality. However

certain pixels (or groups of pixels) with increased luminosity (lighter or darker) are allowed.

These defects can be seen when conducting observation not only in the nighttime but in the

day time too, especially if SumLight™ function is active. Presence of light and dark pixels and

other minor defects of a CCD array (up to 4%) are acceptable in accordance with regulations

of sensor producer.

Visibility on the screen of light pixels also depends on the type of CCD array, heating

temperature during operation.

PROBLEM

The riﬂescope will not turn on.

The reticle is blurred and cannot

be focused with the dioptre knob.

With a crisp image of the reticle,

the image of the observed target

that is at least 30 m away is

blurred.

The aiming point shifts after ﬁring

rounds. The riﬂescope will not

focus.

The riﬂescope will not focus.

POSSIBLE CAUSE(s)

Batteries have been wrongly

installed.

Oxidized contact points in the

battery compartment due to

“leaky” batteries or contact points

becoming exposed

to a chemically-reactive solution.

The batteries are empty or

one of batteries is faulty.

The dioptre cannot be adjusted to

your eyesight.

Dust and condensate are

covering the outside optical

surfaces after the riﬂescope was

brought in from the cold into a

warm environment, for example.

The riﬂescope is not mounted

securely or the mount was not

ﬁxed with thread sealant.

Wrong settings.

The riﬂescope cannot be started

with wireless remote control.

After the built-in laser IR

Illuminator is activated, you may

see a slightly grainy, non-uniform

pattern which does not impact

detection range and efﬁciency of

observation.

Rangeﬁnder does not measure

distance.

The scope is used in day light at

long working distance.

Remote control is not activated.

Low battery.

This is normal for eye safe laser

illuminators.

In front of the receiver lens or

objective lens there is an object

that prevents signal transmission.

The unit is not held steadily when

measuring.

Distance to the object exceeds

400m.

Low reﬂection ratio (i.e. leaves of

trees).

СORRECTIVE ACTION

Reinstall the batteries with the

correct polarity orientation.

Clean the battery compartment,

focusing on the contacts.

Install fresh batteries.

If you wear prescription glasses with

a range of +/- 4, keep glasses on

when looking through the eyepiece.

Clean the lens surfaces with a

blower and soft lens cloth. Let the

riﬂescope dry by leaving it in a warm

environment for 4 hours.

Check that the riﬂescope has been

securely mounted, make sure that

the same type and calibre bullets are

being used as when the scope was

initially zeroed; if your riﬂescope was

zeroed during the summer, and is

now being used in the winter (or the

other way round), a small

displacement of the aiming point is

possible.

Adjust the riﬂescope according to the

instructions given in the Section 9

“OPERATION” and check the

surfaces of the eyepiece and

objective lenses and clean them if

necessary from dust, condensation,

frost, etc; to prevent fogging in cold

weather, apply a special anti-fog

solution.

Check focusing of the scope in night

conditions.

Activate the remote according to

instructions in section 16.

Install a new CR2032 battery.

This is not a defect.

Make sure that the lenses are not

blocked by your hand or ﬁngers.

Do not stress the unit when

measuring.

Choose an object at a distance

longer than 400m.

Choose an object with a higher

reﬂection ratio.

The unit does not operate

on external power

supply.

Large measurement error.

Make sure your power supply

provides output voltage.

Make sure the central

pin of the external

power supply is intact.

Charge the power supply

(if required).

If it's necessary, unbend

the pin to ensure electric contact.

Inclement weather conditions

(rain, mist, snow).

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