Weizhen WZ-VC-4 Installation manual

LCD VISUAL CHART OPERATION MANUAL

Sitting type installation
Notice: Installations are not the same with different kind of structure .
Sitting type-I:
Fixed with screws, Process installation with following steps
Take out instrument and bottom case from package, take put screws from
accessory bag.
2、Put instrument on desk or flat surface and install bottom case to instrument.
3、Fix screws onto pillars( attention: Fix screw with appropriate force to ensure
parts just been fixed. Excessive force will damage instrument)
4、After plugging in the power apd U disc, instrument is ready for visual test.
Sittingtype-11 :
1、Take out instrument and bottom case from package
2、Put instrument on desk or flat surface.
3、Put pillars(on instrument) into holes on basement case.
4、Ensure male slot being plugged into and fixed with femaleo.
5、After plugging in power and U disc. instrument is ready for visual test.
Installation guide for hanging-type instrument.
Process installation with following steps for all kinds. of hanging-type
instrument:
1、Take out instrument and hanger parts from package. Hanger usually has
been installed with mstrument.
2、Select appropriate area and use hanger plate to mark fixing holes on the
wall;
3、Drill four fixing holes and fix hanger plate with bolts.
4、Hang instrument on the wall.
5、After plugging in power and U disc, instrument is ready for visual test.
Installation guide
- 01 - - 02 -
LCD Chart System
English user’s manual
Dear users:
Thanks for using this LCD chart system chart produced by our company. We
hope that our product will dedicate you a convenient life and new feeling.
With the advanced convenient life and new feeling.With the advanced
numerical processing technology 、multifunctional and perfect (accurate)
optotype , This inteligent vision chart is your best choice of optometr y
instrument.
*If there are any differences between the pictures/signs/symbols used in this
manual and the actual product, please take the. actual product as the standard.
* Please comply with the cautions/notices listed in this manual.
Product Series
Product types are still increasing.
Type Display 3D
Polarization
3D
Screen Max.R .P. Red/
Green
Dot Pitch
WZ-VC-1
WZ-VC-2
WZ-VC-3
WZ-VC-4
21.5"
19"
21.5"
19"
21.5"
1680x1050
1440x900
1680x1050
1440x900
1920x1080
0. 282mm
0. 284mm
0. 282mm
0. 284mm
0.2475mm
√
√
√
√
√
√
√
√
√
√ √

- 03 -
1. Delicate design high , definition display: This instrument is designed with professional video
and audio multimedia processing technology, with rapid response and convenient operation.
2. With Protecting function to ensure long lifespan of the screen;
3. Compatible with multifold types of video and audio files
4. Accurate and exact, effective distance is 2-7m, can be adjust to the minimum
distance(lm) for crowded area.
5.With the maximum 3 lines and 8 rows of optotypes showing on screen, convenient for test.
6. Numerous option of optotypes: international C optotypes, E optotypes, letter optotypes children
optotypes 、numeric optotypes 、astigmatic optotypes 、cross optotypes 、bin.ocular balance
optotypes 、color blindness optotypes, and so on .
7. Convenient and quick installation: simply hang or place on solid surface, easy to maintenance.
8. LCD screen with the minimum(0.264mm/0.282mm/0.284mm) of dot pitch and high resolution,
vivid to display ptotypes.
9. Powerful extended function: instrument can be used as a computer display, or as a multimedia
player
10. Allows to connect with VGA/S-VIDEO/AV/TV signal.
11. 3D-type instrument is designed with stereo polarization specially used for examine of stereo
vision and binocular balance
Notice about LCD screen
LCD.screen is produced with hi-tech 99. 9% or higher effective pixels. Possible appearance of a
few black or color dots on the screen is normal phenomena; these dots will not affect the normal
screen performance.
Notice about background light
LED light is used as the background light, if screen becomes fade、flickering
or stops showing the image, it means that the LCD screen is aged and should be replaced.
Notice about discarding
LCD screen and background light contains a small quantity of mercury, please treat the was LCD
screen Compliance with the local law. ,
Service condition
Characteristic
Notice of characteristic
Working tempetature : 5℃---35℃
Working humidity: 20%RH-80%
Atmospheric pressure: 86KPa--106KPa
Parameter
Items
Technical parameter
Parameter
Max. remote-controlling distance >8m
Imperial fraction, or decimal
Electrical source
Rated power
Standby power
Screen resolution ratio
Dot pitch
Screen ratio
Screen type
Screen size
Visible angle
Color
Visible size
Max. Brightness
Max.contrast ratio
Signal response time
Overal,l size(mm)
Weight
Effective distance
Record of vision test result
Emote-controlIing distance
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
(Adjustable)(Adjustable)(Adjustable)
- 04 -
Dimension

- 05 -
Structure and function
Signal receive point
Power lamp
Panel adjusting key
Hanger fixing holes
Hanger fixing screw
Bottom case
Hanger accessory
Remote Controller
Power line
To receive control signal
Indication of power state
Used set parameters
Used to fix instrument on wall
Used to fix hanger
Used to support instrument for sitting type instrument
For hanger fixing
Used to control. instrument
Used to supply power with adapter
Connection with peripheral equipment
This instrument can be connected with other peripheral equipments, please refer to followin
pictures for connection
- 06 -
Function switch
Power button
Binocular balance Red and green color
balance
Children optotypes
Numeric optotypes
Ietter optotypes
C optotypes
E optotypes
Parameter setting
Eyeball analysis display
inverted optotypes
Backlight function Astigmatic optotype
Contrast sensitivity
Amblyopia training Automatic operation
Iine display Signal display
Iist display Resume display
Browsing
Red and green color
display
01
02
03
04
05
06
07
08
09
Main instrument
Controller
Controller battery
Hanger
hanger fixing screws
power line
User’s manual
Warranty card
Certification
1
1
2
1
4
1
1
1
1
NotesQuantityItems Name
Packing list
Signal light
signal receive point main body
panel adjusting key bottom case base connection
power line
power socket hanger fixing holes
hanger fixing screws
hanger accessory
remote controller

- 07-
Manul of remote controller
1. Optotypes choosing
Press corresponding button on the controller to choose different optotypes
2. Fuction choosing
1. Line display : display as lines
2. List display: display as list
3. Signal display: display as a signal
4. Red and green color display: display as red and green color
5. Full screen display: display as full screen
3. Working parameter checking
In spite of any condition, press the parameter setting button, u can check the working
parameter, contains lightness, contrast ratio, R. G. B. Number , language, working mode,
effective distance, automatic operation time, screen saver parameter
4. Working parameter adjustment
In spite of any condition, press the parameter setting button, use up and down button
to choose the parameter u want to adjust, then use left and right button to adjust the
parameter
5. automatic operation
In spite of any condition, press Auto button, the optotypes will automatic cycle display.
Press any other button, the automatic display will stop
6. On/off button
Use this button to turn on and off the display
7. Optotypes browsing
In spite of any condition, press up and down button to browse optotypes
8. initial setting resume
In spite of any condition, press the parameter setting button, use down button to choose
resuming, then press right button, it will be resume to initial setting
9. convert to media player mode
In spite of any condition, press 2ndf button, working condition will be convert to media
player mode
10. convert to TV mode
Convert to media player mode first, then it can convert to TV mode
11. Convert to computer mode
Convert to media player mode first, then it can convert to computer mode
Attention!
Under LCD view chart mode, the source button is useless
- 08 -
Troubleshooting
Common faults and repair methods are listed as follow,
1、Unable to start: Indicator lights on instrument and adapter are all
flashing simultaneously.
Failure diagnosis :adapter damaged Solution: replace adapter with
new one.
2、Unable to control : Instrument starts successfully ,and can be
operated by panel keys , but can′t be operated by controller.
Failure diagnosis: controller damaged or batteries exhausted.
Solution: replace controller or batteries;
3、Unable to test: Instrument starts successfully and can be
operated only by controller“setup”or “red/green” keys, but can′t
process visual tst.
Failure diagnosis: Software setup problem.
Solution:Software p.eeds to he updated,please contact the sellero
4、Instrument indicator light off: Adapter indicator light is on; but
instrument lights off.
Failure diagnosis: short circuit of power line.
Solution: open instrument, cover to find broken or loose wires inside.
Ifproblem still can′t be resolved, please connect with seller.
This manual suits for next models
3
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