MAHA LITE 1.1 Technical Handbook
  1. Manuals
  2. Brands
  3. MAHA Manuals
  4. Test Equipment
  5. LITE 1.1
  6. Technical handbook
MAHA LITE 1.1 Technical Handbook

MAHA LITE 1.1 Technical Handbook

Headlight testers
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
LITE 1.1 / 1.2 / 3
Headlight Testers
Technical Handbook
TH380501-en

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the LITE 1.1 and is the answer not in the manual?

Questions and answers

Related Manuals for MAHA LITE 1.1

Summary of Contents for MAHA LITE 1.1

  • Page 1 LITE 1.1 / 1.2 / 3 Headlight Testers Technical Handbook TH380501-en...
  • Page 2 The contents of this edition have been checked with great care. However, errors cannot be fully excluded. Subject to technical change without notice. OCUMENT Document №: TH380501-en Approval Date: 29.01.2006 ANUFACTURER MAHA Maschinenbau Haldenwang GmbH & Co. KG. Hoyen 20 87490 Haldenwang Germany Phone: +49 (0) 8374 585 0 Fax: +49 (0) 8374 585 499...

  • Page 3: Table Of Contents

    LITE 1.1 / 1.2 / 3 ABLE OF ONTENTS LITE 1.1 ........................5 Calibration ............................5 1.1.1 Mechanical Calibration ....................5 1.1.2 Mechanical Adjustment of the Alignment Mirror .............9 1.1.3 Check of Laser Calibration Device Accuracy ...............10 1.1.4 Calibration of the Luminous Intensity ................11 LITE 1.2 ........................13...

  • Page 4: Lite 1.1

    LITE 1.1 / 1.2 / 3 Service Menu ..........................63 3.3.1 Set Contrast........................64 3.3.2 Program Variables ......................64 3.3.3 Variable Description......................66 3.3.4 AD Converter Value......................76 Calibration ............................77 3.4.1 Mechanical Calibration ....................77 3.4.2 Electronic Calibration....................82 LON-Manager 4 ...........................91 3.5.1 Create Connection LITE 3 / PC ..................91 3.5.2...

  • Page 5: Calibration

    LITE 1.1 LITE 1.1 Calibration 1.1.1 Mechanical Calibration Never stare directly into the laser beam. Wear protective glasses. Pay attention to worker protection regulations and accident prevention rules for laser beams.. The measurement accuracy of the LITE can be checked and corrected on location using the laser beam calibration device.
  • Page 6 Description of the laser beam calibration device: Side view Top view 1.1.1.2 Conducting the Mechanical Check of the LITE 1.1 1 Place the Laser-calibration set on the tripod and position it across from the LITE: Place the laser holder with the battery casing (B) in the prism (A).
  • Page 7 LITE 1.1 5 Switch on the laser. The ON switch is located on the back of the battery housing. The battery compartment can be opened by loosening the 2 screws and the covers. Put Laser and Prism in Position 1 (to the extreme right).
  • Page 8 LITE 1.1 1.1.1.2.1 Adjustment of Projection Area H Setscrew J Inner vernier ring Outer vernier ring Projection area with center cross Laser and prism are in position 1 (right limit stop). 1 Open setscrew (H). 2 Use outer ring (K) to adjust projection area in such a way that the laser beam corresponds to the center cross.

  • Page 9: Mechanical Adjustment Of The Alignment Mirror

    LITE 1.1 1.1.2 Mechanical Adjustment of the Alignment Mirror 1 Switch on the laser of the laser calibration device. 2 Align the laser beam in the center of the Fresnel lens. 3 Align the alignment mirror using the two black lines parallel to leveling bar (F) of the laser calibration device.

  • Page 10: Check Of Laser Calibration Device Accuracy

    LITE 1.1 1.1.3 Check of Laser Calibration Device Accuracy 1 Install laser calibration set to tripod and set it up in front of a wall, distance 10 m. (± 0.5 cm) 2 Align laser unit using level and switch it on.

  • Page 11: Calibration Of The Luminous Intensity

    LITE 1.1 1.1.4 Calibration of the Luminous Intensity 1.1.4.1 General Inaccuracy Luxmeter: ± 1 lx corresponds with approx. 5 % Test device: Photometer Polytec IL 1400A approx- 2 % Display range High beam: 0 to 64 lx Low beam 0 to 02 lx...
  • Page 12 LITE 1.1 1.1.4.2 High Beam Adjustment 1 Put the switch on the display scale of the headlight tester to high beam. 2 A luminous intensity of 40,000 lx (± 300 lx) has to be generated at the lens. Measure the luminous intensity using the reference luxmeter (model Photometer Polytec IL 1400A) directly in front of the lens center.

  • Page 13: Lite 1.2

    LITE 1.2 LITE 1.2 2.1.1 Description of the KE-LITE-V1.2 PCB 2.1.2 General Description The KE-LITE-V1.2 PCB is installed only in the electronic headlight tester LITE 1.2. This PCB, among other things, controls the CCD camera to record and digitalize the headlight image. 2.1.3 Connector Assignments Connector on the KE-LITE-V1.2 PCB...
  • Page 14 LITE 1.2 2.1.3.1 Connector X1 Connection of a RS-232 interface for transmission of data to a test stand (e.g. Euro-System) and/or connection of a computer to program variables. The RS 232 interface connector is located on the underside of the housing, protruding out somewhat.
  • Page 15 LITE 1.2 2.1.3.3 Connector X5 Connection and control of the CCD camera Signal ___________ Pixel-CLK ___________ ___________ Lines CLK ___________ ___________ Shutter ___________ ___________ - 10 V ___________ ___________ CCD-OUT ___________ + 9 V Pin assignment Connector X5 2.1.3.4 Connector X6 Connection of the step motor of the camera control Signal ___________...
  • Page 16 LITE 1.2 2.1.3.5 Connector X7 Connector of the operating panel with keyboard and light diodes. Signal ___________ goes on H8 ___________ goes on H ___________ IC 16, Output 8 ___________ IC 16, Output 7 ___________ IC 16, Output 6 ___________ IC 16, Output 5 ___________ IC 18, Output 1...
  • Page 17 LITE 1.2 2.1.3.8 Connector X13 Connection setting potentiometer Signal ___________ not used ___________ AD-converter ___________ not used ___________ not used Pin assignment Connector X13 2.1.3.9 Connector X14 Currently not used. Connection to LON Transceiver for data transmission to the LON-Network Signal ___________ Data line A: Data on LON Transceiver...
  • Page 18 LITE 1.2 2.1.3.12 Connector X22 Currently not used Planned for the inspection of motor vehicle battery voltage (KFZSP) Signal ___________ goes on H8 ___________ Pin assignment Connector X22 2.1.3.13 IC-Assignment IC's of the KE-LITE-V1.2 PCB EEPROM IC 1: Interface component RS 232 -driver IC 2: Debugger - programmable Microprocessor H8 IC 3:...
  • Page 19 LITE 1.2 2.1.3.14 Jumper- and Bridge Positions on the KE-LITE 1.2 PCB Jumper and Bridges of the KE-LITE-V1.2 PCB Jumper Position Meaning Open No meaning open Service purposes (Signal applied on the service pin of the IC25): open + 5 V closed: GND =>...

  • Page 20: Description Of The Lite-Dis-V1.0 Pcb

    LITE 1.2 2.1.3.16 Test Points Test Points on the KE-LITE-V1.2 Test Points Signal + 5 V für Micro processor + 5 V + 9 V + 12 V - 10 V 2.1.4 Description of the LITE-DIS-V1.0 PCB PCB for connection of the displays (Optional) Connector of the KE-LITE-V1.2 PCB TH380501-en...
  • Page 21 LITE 1.2 2.1.4.1 Connector X2 Connection of the setting potentiometer RT1 Signal ___________ not used ___________ AD-converter ___________ not used ___________ not used Pin assignment Connector X2 2.1.4.2 Connector X6 Connection of the displays Signal ___________ ___________ +5 V ___________ V0 (contrast) ___________ ___________...

  • Page 22: Connection Plug On The Housing

    LITE 1.2 2.1.5 Connection Plug on the Housing On the underside of the housing there is a connector with which the following signals will be transmitted: RS232 interface Recharging voltage for battery The following diagram shows the internal connection of the connector to the KE-Lite PCB. The cable can be ordered under Number 61 LITE KB09 1 Attach the connector (A) on the housing..

  • Page 23: Test Program

    LITE 1.2 Test Program 2.2.1 General Information The KE-LITE test program can also be used in connection with older light tester versions. A new EEPROM (93C86) must be used when updating the LITE to version V1.00. (93C86). The software for the test program of the light tester consists of the following files: KE-LITE.CFG KE-LITE.EXE KE-LITE.MOT...

  • Page 24: Start The Main Menu

    LITE 1.2 The following are only sample values (siehe auch Kap.2.4.9: Konfiguration). Current C o n f i g u r a t i o n COM-Number ( 1 - 4 ) COM-Interrupt Baudrate : 4800 16550 Fifo : enable / disable Graphic card / ET4000 LPT-Number (1-3)
  • Page 25 LITE 1.2 2.2.4.1 Version Info Display of the Sosftware version 2.2.4.2 Measurement Values Transmission of the light tester measurement values on the PC. System variable 2: Setting = 1 2.2.4.3 Pitch Angle Display of the measured pitch angle. 2.2.4.4 Display Complete Picture Transmission of the complete CCD-camera picture to the PC.
  • Page 26 LITE 1.2 2.2.4.5.1 Variables The first part of the Standard menu contains the following Variables: User variables: Read and/or change the user variables. Limit variables: Limit values for all headlight types Offset variables: Correction factors for the settings of the light tester Country limit menu: Default settings for headlights Default settings for Eurosystem...
  • Page 27 LITE 1.2 2.2.4.5.3 Create Print out The EEPROM-Variables can be printed out by calling up this menu point. 2.2.4.6 Service Menu Enter Service-Code 7080 . S e r v i c e m e n u User variables Limit variable menu Offset variables Calculation variable 1 (from V0.30) Calculation variables...
  • Page 28 LITE 1.2 2.2.4.6.1 Variables The first part of the service menu contains variables. Do not change calculation variables 1 (V0.30) and calculation variables. System variables : Equipment, working procedure and measurement mode of the LITE 1.2 Adjustment variables : do not change Calculated adjustment variables: do not change Variable No.1 contains the intensity factor which is calculated with the intensity calibration.
  • Page 29 LITE 1.2 2.2.4.8 Adjustment Menu for the CCD Camera Calibrate Intensity: To calculate the intensity factor the following values are entered: - Maximum light intensity in the Hotspot which the light tester issues during a high beam measurement - Maximum Light intensity of the same light determined with the Luxmeter - Distance from the measurement position to the headlight The intensity factor is re-calculated from these values.

  • Page 30: Rs232 Protocol

    LITE 1.2 RS232 Protocol 2.3.1 Serial Interface Configuration Start/Stop ASCII-Code 4800 Baud 8 Datenbits 1 Startbit 1 Stopbit no parity Control signals such as RTS, CTS, DTR are not used. The transmission rate of the interface can be set using the KE-LITE test program. Normally the set transmission rate is 4800 Baud.

  • Page 31: Data Set Transmission

    LITE 1.2 2.3.2 Data Set Transmission The light tester has 0XBB hex as an address. Any hexadecimal digit 1 - E can be used for X. The data set will be transmitted after each prompt (ENQ) from the PC. If no data is available the command NAK is used.

  • Page 32: Format Of The Measurement Values

    LITE 1.2 2.3.4 Format of the Measurement Values Format of the Bytes to transmit the evaluation of the tested headlights (Byte 2, 27, 52, 65, 78, 91). Transmision Meaning Headlight too high Headlight set correctly Headlight too low Headlight too far left Headlight too far right Headlight too high and too far right Headlight too low and too far right...

  • Page 33: Set-Up Of The Data Sets

    LITE 1.2 2.3.5 Set-up of the Data Sets Byte- Transmission Unit Length Format 1 Byte Begin Dataset Test lane number 1 Bytes Number of test lane / PC to which is being transmitted Byte- Transmission Unit Length Format Evaluation of the low beam left 1 Byte Pitch angle left 0.1 %...

  • Page 34: Codes

    LITE 1.2 Byte- Transmission Unit Length Format 1 Byte End Data set Check sum 1 Byte 1 Byte 2.3.6 Codes Hex-Code Explanation Control Character PC => LITE Data request LITE => PC No data available PC => LITE Data transmission OK LITE =>...

  • Page 35: Calibration

    LITE 1.2 Calibration 2.4.1 Mechanical Calibration Never look directly into the laser beam. Always wear safety glasses. Follow all worker’s protection rules and regulations for accident prevention. To check and readjust the measuring accuracy of the LITE use the laser beam calibration device.
  • Page 36 LITE 1.2 2.4.1.1 Description of the Laser Beam Calibration Device: Side view Top view 2.4.1.2 Mechanical Check of the LITE 1.2 1 Place the laser calibration set on the tripod and position it opposite the LITE. Place the laser holder with the battery casing (B) in the prism (A).
  • Page 37 LITE 1.2 5 Switch on the laser . The ON switch is located on the back of the battery casing. To open the battery compartment open the 2 screws and the cover. Put prism with laser in position 1 (right limit stop) Prism and laser are held in place by the magnet...
  • Page 38 LITE 1.2 9 Turn adjusting screw (G) until laser is at mechanical limit stop (position 3). The upper part of the baseplate is now in a slightly inclined position 10 Transmit the new position (position 3) of the laser point to the PC using picture transmission and use the cursor <F5>...

  • Page 39: Mechanical Adjustment Of The Alignment Mirror

    LITE 1.2 2.4.2 Mechanical Adjustment of the Alignment Mirror 1 Switch on the laser of the laser calibration device. 2 Align the laser beam in the center of the Fresnel lens. 3 Align the alignment mirror using the two black lines parallel to leveling bar (F) of the laser calibration device..

  • Page 40: Check Of Laser Calibration Device Accuracy

    LITE 1.2 2.4.3 Check of Laser Calibration Device Accuracy 1 Install laser calibration set to tripod and set it up in front of a wall, distance 10 m. 2 Align laser unit using level and switch it on. 3 Turn the laser 180° around its axis in the basic position in the prism (position 1, without angle).

  • Page 41: Calibration Of Luminous Intensity

    LITE 1.2 2.4.4 Calibration of Luminous Intensity Inaccuracy Luxmeter: ± 1 lx corresponds with about 5 % Test device: Photometer Polytec IL 1400A ca- 2 % To calculate the intensity factor enter the following values: Max. “hot spot“ intensity indicated by headlight tester during high beam test Max.
  • Page 42 LITE 1.2 2.4.5.2 CCD Camera Adjustment for Right Hand Drive 1 Position vehicle headlight in front of test device, distance 10-40 cm. Be sure center cross on back wall of test device is well lit up. 2 In main menu choose <Adjustment menu for CCD camera>. 3 Choose menu point <Camera adjustment>...
  • Page 43 LITE 1.2 Calibrate intensity factor Intensity of luxmeter in Lux : 11050 Distance between light source and luxmeter in cm : 300 Intensity of light tester in 0.1 Lux : 1376 Intensity factor old : 967 Intensity factor new : 1125 Calibration Left Hand Drive: 1 Reset system variable to left hand drive: 0 = Left...

  • Page 44: Variable Description

    LITE 1.2 Variable Description 2.5.1 User Variables Adr. Description Default Unit Comments 4800 possible values: Baudrate Setting of the baudrate with which the transmission 4800 via the serial interface takes place. After an 9600 EEPROM-Reset the baudrate is 4800. 19200 38400 6.000 Switch off time in Minutes...

  • Page 45: Calculation Variables For Service

    LITE 1.2 2.5.2 Calculation Variables for Service Adr. Description Default Unit Comments Max. pitch angle Max. Roll angle Factor for pitch angle 0.1 Lux Min. difference light / Dark transition of an area 0.1 Lux Min. intensity of an area 6-10 free 2.5.3...

  • Page 46: System Variables

    LITE 1.2 2.5.4 System Variables Only in expanded Service-Menu. Various Variables, which may not be changed Adr. Description Default Unit Comments Number of measurements in setting mode 0 = Meas. value not Transmit measurement value transmitted 1 = Meas. value transmitted 0 = Picture not transmitted Complete picture transmitted 1 = complete Picture...

  • Page 47: Adjustment Variables

    LITE 1.2 2.5.6 Adjustment Variables Only in expanded Service-Menu. These variables are only needed for the adjustment. Variables may not be changed. Adr. Description Default Unit Comments Motor start with adjustment Motor-Step with 13430 CCD-Start pixel with adjustment CCD-Pixel-number with adjustment 3228 0.1 Lux Intensity slide projector in 0.1 Lux with 0.5 m...

  • Page 48: Calculated Adjustment Variables

    LITE 1.2 2.5.7 Calculated Adjustment Variables Only in expanded Service-Menu. These variables are calculated by the program and described. They may under no circumstances be changed and will not be reset by an EEPROM-Reset. The values in the table are only sample values. Adr.

  • Page 49: Limit Variables For Trk Right-Hand Traffic

    LITE 1.2 2.5.8 Limit Variables for TRK Right-Hand Traffic Adr. Description Default Unit Comments 0.1 % High beam TRK: upper limit 0.1 % High beam TRK: upper limit ok 0.1 % High beam TRK: lower limit ok - 10 0.1 % High beam TRK: lower limit 0.1 % High beam TRK: right limit...
  • Page 50 LITE 1.2 Adr. Description Default Unit Comments 0.1 Lux 0.5 Lux Illumination intensity for LED low beam red If the illumination intensity is smaller than the value of this variable the red LED will light up. 0.1 Lux 48 Lux Illumination intensity for LED high beam yellow+green If the illumination intensity is larger or the same as...

  • Page 51: Limit Variables For Trk Left-Hand Traffic

    LITE 1.2 2.5.9 Limit Variables for TRK Left-Hand Traffic Adr. Description Default Unit Comments 0.1 % High beam TRK: upper limit 0.1 % High beam TRK: upper limit ok 0.1 % High beam TRK: lower limit ok 0.1 % High beam TRK: lower limit 0.1 % High beam TRK: right limit 0.1 %...
  • Page 52 LITE 1.2 Adr. Description Default Unit Comments 0.1 Lux 0.5 Lux Illumination intensity for LED low beam red If the illumination intensity is smaller than the value of this variable the red LED will light up. 0.1 Lux 48 Lux Illumination intensity for LED high beam yellow+green If the illumination intensity is larger or the same as...

  • Page 53: Limit Variables For Car Right-Hand Traffic

    LITE 1.2 2.5.10 Limit Variables for CAR Right-Hand Traffic Adr. Description Default Unit Comments 0.1 % High beam CAR: upper limit 0.1 % High beam CAR: upper limit ok 0.1 % High beam CAR: lower limit ok - 10 0.1 % High beam CAR: lower limit 0.1 % High beam CAR: right limit...
  • Page 54 LITE 1.2 Adr. Description Default Unit Comments 0.1 Lux 0.5 Lux Illumination intensity for LED low beam red If the illumination intensity is smaller than the value of this variable the red LED will light up. 0.1 Lux 48 Lux Illumination intensity for LED high beam yellow+green If the illumination intensity is larger or the same as...

  • Page 55: Limit Variables For Car Left-Hand Traffic

    LITE 1.2 2.5.11 Limit Variables for CAR Left-Hand Traffic Adr. Description Default Unit Comments 0.1 % High beam CAR: upper limit 0.1 % High beam CAR: upper limit ok 0.1 % High beam CAR: lower limit ok 0.1 % High beam CAR: lower limit 0.1 % High beam CAR: right limit 0.1 %...
  • Page 56 LITE 1.2 Adr. Description Default Unit Comments 0.1 Lux 0.5 Lux Illumination intensity for LED low beam red If the illumination intensity is smaller than the value of this variable the red LED will light up. 0.1 Lux 48 Lux Illumination intensity for LED high beam yellow+green If the illumination intensity is larger or the same as...

  • Page 57: Limit Variables Usa For Trk Right-Hand Traffic

    LITE 1.2 2.5.12 Limit Variables USA for TRK Right-Hand Traffic Adr. Description Default Unit Comments 0.1 % Upper limit low beam USA Type 1 0.1 % Upper limit low beam USA ok Type 1 0.1 % Lower limit low beam USA Type 1 0.1 % Lower limit low beam USA ok Type 1 0.1 %...

  • Page 58: Limit Variables Usa For Car Right-Hand Traffic

    LITE 1.2 2.5.14 Limit Variables USA for CAR Right-Hand Traffic Adr. Description Default Unit Comments 0.1 % Upper limit low beam USA Type 1 0.1 % Upper limit low beam USA ok Type 1 0.1 % Lower limit low beam USA Type 1 0.1 % Lower limit low beam USA ok Type 1 0.1 %...

  • Page 59: Lite 3

    LITE 3 LITE 3 Technical Data Range of Application Paraboid (H4) Projection system (DE or PES) Testable types of headlights Free form (FF or HNS) XENON aund LED Measurement Range Above 0 - 600 mm / 10 m (0 - 6 %) Below 0 - 600 mm / 10 m (0 - 6 %) Left...

  • Page 60: Pcb

    LITE 3 3.2.1 MAH LITE 3 PCB Description 3.2.1.1 Connector Assignments Connection of the keyboard Connection of the RS 232 interface (User) Connection of the battery (housing) Connection of the RS 232 interface (Debug) X6, X6b: Intensity Recharging External voltage X10: Connection of the camera X11:...
  • Page 61 LITE 3 3.2.1.2 Jumper Position Jumper Position open open open 3.2.1.3 Test Points TH380501-en...

  • Page 62: Description Of The Mah Lite 3 Camera Pcb

    LITE 3 3.2.2 Description of the MAH LITE 3 Camera PCB TH380501-en...

  • Page 63: Service Menu

    LITE 3 Service Menu The programming of the LITE 3 is done at the factory. Any changes to the pre-set variables may influence the propering functioning of the LITE 3.. Call up the service menu as described below: LITE3 Main Menu Press the F4 at least 5 seconds to enter the service menu.

  • Page 64: Display Contrast

    LITE 3 3.3.1 Set Contrast Call up Service Menu and select menu point "Display contrast". Service Menu Press the F3 key to call up the contrast program Display Contrast <== ==> ENTER The contrast program appears on the display: The display contrast is reduced or increased by Set Contrast using the F1 and F2 keys.
  • Page 65 LITE 3 These programs can be selected using the F1 and F2 keys and called up with the F3 . The left-hand digit on the display shows the EEPROM Variables Variable number, the right-hand digits show the variable setting. Switch off time <== ==>...

  • Page 66: Variable Description

    LITE 3 3.3.3 Variable Description 3.3.3.1 User Variables Name of the EEPROM-User variables Default value Version number Test lane number Percentage or degree 0 = Percentage 1 = degree Lux or Candela 0 = Lux 1 = Candela Signal tone 0 = Signal tone off 1 = Signal tone on Switch off time in minutes...
  • Page 67 LITE 3 3.3.3.2 Limit Value CAR / TRK Call up Service Menu and select menu point "EEPROM-Variables". Press the F3 key to call up the EEPROM- Service Menu variable program. EEPROM-Variables <== ==> ENTER The EEPROM variable program appears on the display: Select limit values CAR/TRK with the F1 and F2 EEPROM Menu keys and call up with F3.
  • Page 68 LITE 3 3.3.3.2.1 Limit Value CAR Right-Hand Traffic Name of Variables Default value Upper limit high beam in 0.1 % Lower limit high beam in 0.1 % Right-hand limit high beam in 0.1 % Left-hand limit high beam in 0.1 % Intensity high beam in 0.1 Lux 205-209 Free...
  • Page 69 LITE 3 3.3.3.2.2 Limit Value TRK Right-hand Traffic Name der Variablen Default value Upper limit high beam in 0.1 % Lower limit high beam in 0.1 % Right-hand limit high beam in 0.1 % Left-hand limit high beam in 0.1 % Intensity high beam in 0.1 Lux 255-259 Free...
  • Page 70 LITE 3 3.3.3.2.3 Limit Value CAR Left-Hand Traffic Name of the Variables Default value Upper limit high beam in 0.1 % Lower limit high beam in 0.1 % Right-hand limit high beam in 0.1 % Left-hand limit high beam in 0.1 % Intensity high beam in 0.1 Lux 305-309 Free...
  • Page 71 LITE 3 3.3.3.2.4 Limit Value TRK Left-Hand Traffic Name of the Variables Default value Upper limit high beam in 0.1 % Lower limit high beam in 0.1 % Right-hand limit high beam in 0.1 % Left-hand limit high beam in 0.1 % Intensity high beam in 0.1 Lux 355-359 Free...

  • Page 72: System Variables

    LITE 3 3.3.3.3 System Variables Call up the Service menu and select menu point „EEPROM-Variables“ . Press F3 to call up the EEPROM-Variable Service menu program. EEPROM-Variables <== ==> ENTER The EEPROM-Variable program appears on the display: Select system variables with F1 and F2 and call EEPROM Menu up with F3.
  • Page 73 LITE 3 3.3.3.3.1 System Variables Name of the Variables Default value Min. Lux in 0.1 Lux Max. yaw angle in 1° Max. Roll angle in 1° 53-54 Free Display Factor x Display Factor y 57-59 Free Intensity factor camera 61-62 Free Issue measurement value in display 64-65...
  • Page 74 LITE 3 3.3.3.3.2 Calculation Variables Name of the Variables Default value Bar length in Pixel Bar separation in Pixel 102-104 Free Computing Pixel Per line Computing lines 107-110 Free Hotspot Sprung 112-114 Free Issue test value high beam 116-120 Free Calculation light-dark transition 0 = logarithmic 1 = linear...
  • Page 75 LITE 3 3.3.3.3.3 Camera Variables Name of the Variables Default value Camera Type 0 = KAC 9619 1 = KAC 9628 Amplification Video 152-159 Free Resolution Pixel x per m 6700 Resolution Pixel y per m 3500 Zero point x Zero point y Free Laser distance in mm (Pixel x per m)

  • Page 76: Ad Converter Value

    LITE 3 3.3.4 AD Converter Value Call up service menu and select menu point "AD-Converter value". Servicemenue Press the F3 key to display the AD-converter value.. AD-Converter Value <== ==> ENTER The AD-converter value appears on the display: SH7 AD-Converter Exit the menu point with the F4 key..

  • Page 77: Calibration

    LITE 3 Calibration 3.4.1 Mechanical Calibration Never look directly into the laser beam. Always wear safety glasses. Follow all worker’s protection rules and regulations for accident prevention. To check and readjust the measuring accuracy of the LITE 3use the laser beam calibration device.
  • Page 78 LITE 3 3.4.1.1 Description of the Laser Beam Calibration Device: Side view Top view 3.4.1.1.1 Check of Laser Calibration Device Accuracy 1 Install laser calibration set to tripod and set it up in front of a wall, distance 10 m. 2 Align laser unit using level and switch it on.
  • Page 79 LITE 3 Laser positions: Position 1 X = 0.0% Y = 0.0% Position 2 X = +2.0% Y = 0.0% Position 3 X = 0.0% Y = -2.0% Position 4 X = +2.0% Y = -2.0% TH380501-en...
  • Page 80 LITE 3 3.4.1.2 Mechanical Check of the LITE 3 1 Check the level surface where the headlight tester and laser tripod are positioned. 2 Place the laser calibration set on the tripod and position it opposite the LITE. Place the laser holder with the battery casing (B) in the prism (A).
  • Page 81 LITE 3 5 Align the base plate using adjustment screw (C) and circle circle level(D) in order to position the laser horizontally. 6 Align the lens of the LITE 3 using a measurement band parallel to the levelling bar (F) of the laser calibration device.

  • Page 82: Electronic Calibration

    LITE 3 3.4.2 Electronic Calibration The electronic calibration can only be done once the mechanical calibration is done. (see paragraph „Mechanical Calibration“). Call up the service menu select menu point „Calibrate camera“ . Press the F3 to call up the camera calibration Service Menu menu.
  • Page 83 LITE 3 3.4.2.1 Zero Point The electronic calibration can only be done once the mechanical calibration is completed. (see paragraph „Mechanical Calibration“). Call up the calibration menu and select menu point „Zero Point“ . Calibration Menu Press the F3 key to calibrate the camera zero point.
  • Page 84 LITE 3 Put the laser with prism in Position 4 (left limit stop). Turn adjusting screw (G) until laser is at mechanical limit stop (position 4). The upper part of the baseplate is now in a slightly inclined position The display shows: Zero Point Calib.
  • Page 85 LITE 3 Press F1 to do a headlight diagnosis. LITE3 Main Menu Pls select MEAS MENU The following screen appears with the pre-set target values: LITE3 Target Values <==> ⇑ ⇓ 10 Press the high beam key. High beam The in-built CMOS camera digitalizes the headlight picture shown on the projection screen.
  • Page 86 LITE 3 12 Enter the serial number of the LITE 3 and the calibration device. 13 Mark the checked info. 14 Enter the target value X and Y . 15 Store with <F6>. 16 Print the calibration certificate using the <F12>...

  • Page 87: Are You Sure

    LITE 3 3.4.2.2 Resolution Do not change resolution! Call up calibration menu and select menu point “Resolution”. Calibration menu Press the F3 key to calibrate the camera resolution. Resolution <== ==> ENTER Store the camera resolution with the F1 key. Resolution calib.
  • Page 88 (12 to 24 V DC) or the cigarette lighter. A defective light source or damaged sealing can distort the results of the intensity calibration. Send the calibrated light source to MAHA for repair! 5 Switch on the LITE 3. LITE3 Main Menu 6 Press the F2 key to adjust the light source.
  • Page 89 LITE 3 Press the high beam key. High beam Low beam Fog light Day driving light I: 12.1 lux Position the light source in such a way until the H: 12.3 lux black box is located in the target window. ⇒...
  • Page 90 LITE 3 13 Select menu point “intensity“ . 14 Press F3 key to calibrate the intensity of the Calibration Menu camera. Intensity <== ==> ENTER 15 Switch on calibrated light source. Read target value on the light source. Calibr Intensity . Put the current value on the target value of the Current value/25m: calibrated light source using the F2 and F3...

  • Page 91: Lon-Manager 4

    3.5.2 Start LON-Manager 4 1 LON-Manager 4 can be started by double clicking on the icon or with Explorer under: C:\MAHA\PKW bzw. LKW\Manager4.XX.XXX\LM.exe A DOC folder is deposited in the Help directory with read-me files which are constantly updated. These contain...

  • Page 92: Call Up Lite 3

    LITE 3 The main menu appears after a few seconds: 2 Call up LON-Manager 4 with <F5> . 3.5.3 Call up LITE 3 1 Start LON-Manager 4 with <F5> . 2 Select <F7> SINGLE NODES. Following Pull up menu opens: 3 Select LITE3.

  • Page 93: Edit Nodes Lite 3

    LITE 3 3.5.4 Edit Nodes LITE 3 The LITE 3 menu consists of the following programs: <F5> EDIT VARIABLES <F6> STORE <F7> LOAD GRAPHIC <F8> DOWNLOAD 3.5.4.1 Edit Variables 1 Select <F5> EDIT VARIABLES . A pull-up menu opens: 2 Select the desired variables. Following screen appears: 3 The changes can be stored with <F5>...
  • Page 94 LITE 3 3.5.4.2 Store 1 The interface can be set using the <COM> and <BAUDRATE> boxes. 2 Enter the LITE 3 serial number and the calibration device. 3 Mark the tested info. 4 Enter the target values X and Y. 5 Store the info with <F6>...
  • Page 95 LITE 3 3.5.4.4 Download 1 Press the F1 and High Beam Left simultaneously on the LITE 3 operating panel and connect RS232 connection cable. LITE3 Bootloader Following screen appears on the display: V1.02 vom XX.XX.05 Download mit RS232 User: 38400 bps 2 Select <F8>...

  • Page 96: Options

    LITE 3 Options 3.6.1 Bluetooth Installation Prerequisites Eurosystem software Version 7.00 or higher must be used. LITE 3 user variable 13 must be set to 0. Other LITE 3 Bluetooth devices in the room must be switched off. Transmitter Receiver 3.6.1.1 Preparations 1 Completely remove the LITE 3 operation...
  • Page 97 LITE 3 3.6.1.2 Software Installation Before installing the supplied receiver / USB stick all internal Bluetooth software versions must be uninstalled. 1 Insert CD. 2 Select Installation. 3 Follow installation instructions, continue with <Continue> . 4 Accept license contract. 5 Insert receiver / USB stick at the PC’s USB interface.
  • Page 98 LITE 3 Equipment must be active. 12 Select <User-defined mode>. Express mode selects COM40 interface. This is not possible with Eurosystem. 13 Confirm with <Continue>. Each installed Bluetooth application has its own device address. Only the device to be installed may be switched on. 14 Confirm with <Continue>.
  • Page 99 LITE 3 17 Select <Serial connection COM1> . 18 Confirm with <Continue> . 19 Unmark checkbox at Standard COM-Port. 20 Confirm message with <OK> . 21 Select free, one-digit COM interface, e.g. COM6. 22 Mark checkbox at Automatic connection. 23 Confirm with <Continue>. TH380501-en...
  • Page 100 LITE 3 24 Confirm with <Continue>. 25 Enter the name of the connection at <Setting information>. 26 Complete registration with <Finish>. TH380501-en...
  • Page 101 LITE 3 ⇒ Connection is shown in the window. ⇒ Manual connection of the device. 27 Click on the symbol with the right-hand mouse key. 28 Select <Connect>. ⇒ Bluetooth Safety. 29 Enter Bluetooth key [PIN] 0000. 30 Confirm with <OK>. TH380501-en...
  • Page 102 LITE 3 ⇒ New connection symbol is shown. Symbol for inactive connection. Symbol for active connection, with green and yellow line. See paragraph "Error Search" if connection could not be established. 3.6.1.3 Necessary Settings in Eurosystem 7.00 1 Set Variables Variable 25: Value 1 Variable 26:...
  • Page 103 LITE 3 ⇒ Connection setup is performed automatically at switch-on. 3.6.1.4 Headlight Test Procedure with Software 7.00 ⇒ Display of the start screen. 1 Position the LITE 3 in front of the vehicle. 2 Check headlight setting. 3 The measurement values are immediately transmitted to Eurosystem 7.00 by pressing the individual keys on LITE 3.
  • Page 104 LITE 3 4 Select menu item <3> Measurements. 5 Select menu item M <External devices>. ⇒ Screen with available measurement values is active. 6 Select appropriate logo. TH380501-en...
  • Page 105 LITE 3 ⇒ An overview of the measurement values is displayed. 7 Select symbol. ⇒ The data for the selected measurement is shown in detail. 3.6.1.5 Error Search Error Message Cause Remedy LITE 3 is not active or Switch on LITE 3. switched off.

This manual is also suitable for:

Lite 1.2Lite 3

Table of Contents