Sun Kingdom LS-1A - 4 Usage and Requirements; Requirements; Usage

Chongqing Sunkingdom Medical Instrument Co., Ltd.
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4.Usage and requirements
4.1 Requirements
1）Use in darkroom.
2
）
Working environment conditions
：
Temperature：5℃～40℃；Relative humidity ：≤80%；Atmosphere pressure：
760hPa
～
1060hPa
。
3）Running mode： intermittent service.
4
）
This instrument is internal power unit ,B-type application part.
4.2 Usage
1）Rotating the slit width adjusting knob and filter adjusting knob to right place ,
and rotate the illumination arm to right place. （also can adjust it when checking）。
2 ） Put forehead-rest bracket against the patient forehead slightly. turn on the
power supply and adjust the brightness .then the light will project to patient eye.
（figure 8）
3）observing from eyepiece and press the slit lamp slightly , gain clear image via
forehead bracket shrinking, then tighten the screw to fix distance to keep the image in
focus.
Figure 8