Berger & Schroter 31540 User manual

8
(GB) Operating instructions
Night vision device with laser distance
measurement. Item No. 31540
Warning!
lease read these in-
structions completely
before using the opti-
cal instrument!
Warning
This instrument can be
damaged if exposed,
used, kept in strong
light!
Specifications::
Laser ranging distance:...........500 (max.)
Night vision: ...................................200 m
Pressure measure:..............300-1100 hPa
Objective lens Ø: ...........................32 mm
Optical magnification:...........................6x
Digital magnification: ............................4x
View angle: .....................................+/-20°
Digital Compass resolution:..................1°
Battery: ..........................................AA x 4
Battery life:.........................................2 hs
Size:...............175(L) x 100(B) x 51(H) mm
Weight: ............................................398 g

9
Components instruction
1. Power key
ON/OFF or ranging
2. Mode key
Function switch or parameter
settings
3. Key
Inrease of digital magnification
or brightness
4. Key
Reduce of digital magnification
or brightness
5. Key
ON/OFF of infrared light
6. Key
ON/OFF of the brightness
adjustment
7. Eyepiece
8. Objective
M
+
–
IR
B
Screen Display
a) Aiming point b) Data display
c) Magnification d) Pressure
e) Temperature f) Compass
g) IR-LED-mode h) Battery
i) Pitch angle
Operation instructions
1. Boot
Long press to boot.
2. Shutdown
Long press for 3 seconds.
3. Observation
a. Boot
b. Adjust the eypiece 1 - (7) to
get a clear screen display.
c. Adjust the objectiv 1 - (8) to
focus to get sharp images.
d. Digital magnification will be
implemented by pressing
or , ranged
from x1, x2, x3 x4.
+ –

10
4. Brightness adjustment
Press , to open the brightness
adjustment.
Press , to increase the
brightness.
Press , to reduce the
brightness.
B
+
–
6. Ranging mode
Press , to select the ranging
mode: normal, fog, targeting,
small, horizontal distance measu-
rement, vertical height measure-
ment, speed measurement.
M
5. Infrared illumination adjust-
ment
Press , to open the infrared illu-
mination adjustment.
Continuous press will cycle
from ON-IR-IR2-IR3-OFF.
When infrared light is open, the
screen display will show 2 - (g),
and led light will correspondingly
turn on at the rear of fuselage.
IR
IR
Normal ranging mode:
press to start continuous ran-
ging,
press to stop.
Fog mode
Press , to start measuring;
target distance should be >25 m.

11
Targeting small mode:
Press to start , point D should
be isolated from other in back-
ground, and only show the dis-
tance of D1.
Horizontal distance measure-
ment mode:
Press to start , data of MD and
HD will be continuously shown.
MD: AB or AC.
HD: AD

12
Vertical height measurement
mode
Press to start , MD and VH will
be continuously shown.
Method
Press , to start measuring.
Principle
Speed measurement mode

13
8. Button backlight
For easy in dark and not be found.
Downward >45° to open the back-
light, and then press any key.
9. Battery replacement
The flashing of battery icon
”2- (h)” remind you to replace bat-
tery as below.
a. (OSD) color:1-yellow
2-green 3-red 4-blue 5-white
6-black
b. Temperature: °C or °F
c. Distance: M or Ft
d. Height: M or Ft
e. Speed: km/h or
Mile/h
f. Power off: 5 Min.,10 Min.
15 Min., 20 Min., 25 Min.,
30 Min., 35 Min.,40 Min.
7. Settings:
Long press to enter the setting
mode.
Short press , to select parame-
ters.
Short press , to change para-
meters.
Long press to exit the setting
mode.
M
M
M

14
Guarantee: We grant on this product a guarantee of 24 months, according to the
pertinent statutory regulations, from the date of the purchase by the initial user.
This guarantee covers all material or production defects; however, it does not
cover the following: Faults and defects resulting from normal wear, including we-
aring parts, seals etc.; damages or defects arising or as a result of alteration. We
reserve the right to reject a guarantee claim if the purchase cannot be proven, or if
the product was improperly serviced or was obviously erroneously maintained (not
or insufficiently maintained; cleaning and servicing). Please retain the proof of pur-
chase documentation because this is valid as proof of date of purchase. In case of
a guarantee claim, the machine must be returned to the dealer in a clean state,
and in its original packaging if possible, and not disassembled in any way. Proof of
purchase must also be included.
EU Conformity Declaration
We hereby declare that the appliance described below as:
Night vision device with laser distance measurement, art.-no. 31540
is in compliance with the government EC-regulations and the mass pro-
duction will be effected accordingly:
• EN 61000-6-3:2007+A1:2011+AC:2012
• EN 61000-6-1:2007
• EN 61000-3-2:2006+A1:2009+A2:2009
• EN 61000-3-3:2013
The article is in compliance with the standards mentioned below which
are basic conditions to obtain the CE-mark:
• EN 60825-1:2007
Any change to the product and non-designated use will render this de-
claration in valid.
This declaration is made on behalf of the manufacturer/importer:
Berger & Schröter GmbH, Voerder Str. 7, 58135 Hagen, Germany
by: Eckhard Schröter, General Manager
Hagen, March 16. 2015
Copyright by
All rights reserved. It is not permitted without written approval from Berger + Schröter to repro-
duce these operating instructions. It is also not permitted to reproduce extracts in any form that
have been created or processed by use of electronic, mechanical or chemical procedures. Tech-
nical changes can be made at any time without prior announcement. The operating instructions
are corrected regularly. We assume no liability for technical and typographical errors and their
results.