Sun Kingdom LS-1A User manual

Handheld Slit Lamp Microscope
SK
Operation
Instruction
Manual
Handheld slit lamp
LS-1

Chongqing Sunkingdom Medical Instrument Co., Ltd.
Content
Preface............................................................................................................................................ 1
1 Summary.................................................................................................................................... 2
1.1Machinery description.....................................................................................................2
1.2Product features...............................................................................................................2
1.3Product structure..............................................................................................................3
1.4Models difference.............................................................................................................4
1.5Produc label....................................................................................................................4
2 Technical parameter...............................................................................................................5
2.1Basic parameter...............................................................................................................5
3 Installation and debugging..................................................................................................6
3.1Un-packing checking.......................................................................................................6
3.2Installation..........................................................................................................................6
3.3Debugging......................................................................................................................... 7
3.4 Installation Instruction of the Battery...............................................................9
3.5 The charging indicator....................................................................................11
4 Usage and requirements............................................................................... 12
4.1 Requirements................................................................................................................12
4.2Usage............................................................................................................................... 12
5 Maintenance and preventive inspection...................................................................... 13
5.1Maintenance................................................................................................................... 13
5.2Preserve........................................................................................................13
5.3preventive inspection....................................................................................................13
6.Transportation and storage ................................................................................14
7 Graphic symbol interpretation............................................................................15
7.1 Graphic symbol interpretation on instrument..................................................15
7.2 Graphic symbol interpretation on packing..................................................... 15
8 Common faults.....................................................................................................16
9 Precautions...........................................................................................................17
10 Warranty Statement ...........................................................................................19

1
Preface
Dear User：
Thank you very much for choosing LS-1A/LS-1B hand-held slit lamp Microscope
manufactured by Chongqing Sunkingdom Medical Instruments Co.(hereinafter called
Sunkingdom). For your security and benefit, please read the operation instruction as
well as the datum of the instruments carefully before using it.
Please check following before your using：
1.Please check the instrument accessories are consistent with the packing list or not.
2.Please read accompanying files carefully and keep properly.
The pictures in instructions only for reference purpose .if you have any questions
please feel free to contact with your local agents.
Hotline: [phone]
Supervisory telephone:[phone]

Chongqing Sunkingdom Medical Instrument Co., Ltd.
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1.Summary
1.1 Summary
This instruction apply to ：LS-1A\LA-1B
Contraindication：No
Products structure and components：The optical body, movement
mechanism, illumination system, hand-held handle, power supply.
Products application：Anterior segment and internal eye lesion examination.
1.2Product features
1.High brightness white LED cold-light lamp,maximum brightness not lower than
50,000lux，work life can be 50,000 hours。
2.Sharp images you can get, Frequently-used slit width design meet regular
clinical needs.
3.Telescopic forehead-rest ,easier to observe and adjust diopter.
4. Magnification transfer with lever,Coordinated pupil distance adjustment with
good hand-feeling.
5.Small and lightweight.
6.Different filters：Heat-absorption, red-free,cobalt blue。
7.Full power supplied by battery can drive the slit lamp more than 3 hours.
8.All lens were processed with prevent reflection, moisture proof and
mildew-proof coating, always maintain good optical quality.

Chongqing Sunkingdom Medical Instrument Co., Ltd.
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1.3Product structure
The hardware structure diagram
1、Eyepiece
2、Diopter adjustment：Adjust the diopter to get the clear image.
3、Adjust the pupil distance
4、Objective magnification changer ：10×,16×（For LS-1B only）
5、Brightness adjusting knob：From left to right, the brightness brighten up.
6、Handle
7、Charging power supply socket

Chongqing Sunkingdom Medical Instrument Co., Ltd.
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8、Forehead-rest bracket screw
9、Forehead-rest bracket
10、Reflector
11、Indicator
12、Power switch
13、Aperture and slit width adjusting knob
14、Filters adjusting knob
15、Slit angle adjusting track
1.4 Models difference
Model
Hardware structures
magnification
Visual field
diameter
LS-1A
Optical body, movement mechanism,
illumination system, hand-held handle,
power supply.
10X
10X：11 mm
16X：7 mm
LS-1B
optical body, movement mechanism
,illumination system, hand-held handle,
power supply.
10X、16X
1.5 Product label

Chongqing Sunkingdom Medical Instrument Co., Ltd.
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2.Technical parameter
2.1Basic parameter
model
item
LS-1A
LS-1B
Slit type
Rotating slit wheel selection slit lamp
Optical
type
Binocular hand held Biomicroscope slit lamp
eyepiece
Converging binocular at 13°
Magnification
10X
10 X、16X lever change
Work distance
80mm
Pupil distance
45mm~78mm
Diopter
compensation
-8D~+8D
Resolution of
visual center
16Ｘ:ＮＡ=0.0448,10Ｘ：ＮＡ＝0.0402
Nominal
diameter of
visual field
10X：11mm
10X：11mm
16X：7mm
Illumin
ation
Slit width
0.15mm，0.5mm，0.8mm，1.6mm,ф12mm,1X1mm square
Slit length
12mm
Slit angle
Horizontal ±60°
Filters
Neutral density
Red-free, Cobalt blue,Inbuilt IR&UV cut filter
Lighting bulb
High brightness white LED
brightness
≥50000Lux
Power
supply
LED work
voltage
DC7.4V，680mAh
Battery
Li-ion battery ,7.4V/680mAh，Full battery can supply more
than 3 hours
Weight
and
size
Size
169.5mm×109.5mm×228.5mm
Weight
≤700g(with battery)

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3.Installation and debugging
3.1 Un-packing checking
Open the package , take the slit lamp and other accessories out .
Figure1
Accessories list ：figure 1，（16X objective for LS-1B only）
1.Portable slit lamp
2.Chargeable power adapter
3.Power line
4.Forehead-rest bracket ：support patient forehead, and fixed the position
between slit lamp and patient to avoid shaking.
3.2 Installation
3.2.1Install the chargeable power adapter
Take out the chargeable power adapter, and connecting with power line and the
portable slit lamp.(figure 2）：

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Figure 2
When the indicator on power adapter become to green , indicating charge
complete, the portable slit lamp can use alone.
3.2.2 Forehead-rest bracket .
Take out the forehead-rest bracket ，align the mounting hole on the optical body,
and tighten the fixed screw. (figure 3)
Figure 3
3.3 Debugging
3.3.1 Adjust the pupil distance and diopter ring
Adjusting the eyepiece diopter ring according to operator’s diopter , for example:
emmetropia , adjust to 0 degree (as figure 4 show ) and adjust the pupil distance well.

Chongqing Sunkingdom Medical Instrument Co., Ltd.
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Figure 4 Figure 5
3.3.2 Adjusting aperture , slit width , filter
Adjusting aperture and slit width knob to get the largest spot .Adjust the filter to
the white position.（figure 5）
3.3.3Check the spot position and uniformity：
Pressing the power switch, adjust the brightness knob to largest.(figure 6) , the
light will project from optical body, adjust the focus distance to put the spot in the
central of focal plane, brightness uniformity and boundaries clear.
Figure 6
3.3.4 After debug finished , installing the forehead -rest bracket and start to use.
（Installation method please refer to 4.2.3）
Adjust PD
Adjust diopter
Aperture and slit
width adjusting knob
Filters adjusting
knob
Slit angle adjusting
track
power switch
brightness adjustment