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Shape: Flat plate design, almost square, the surrounding edges are cut straight, square and have high mechanical precision to fit tightly on the front of the device.
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Layout: Divided into two distinct partitions; The upper half on a white background includes a cluster of function key buttons ($3\times2$ on the left with the "LONG PUSH" symbol, $4\times3$ numeric keypad in the middle on a gray background) and a stepless knob area with a dotted progress line; The lower half of the gray background includes a cluster of status symbols ($+\text{C.V}$, $\text{C.C}-$, $\text{GND}$) placed right above three large circular holes for the output jack (Output), accompanied by a danger warning ($0\sim60\text{V}, 5\text{A}$) and a grounding symbol.
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Surface material: High-quality technical plastic film has a matte finish surface, helping to prevent glare under technical lights, absolute insulation, anti-fingerprints and resistant to chemicals and solvents in the laboratory.
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Modern technology: Integrated reverse printing technology helps all color inks (blue, red, yellow, gray, white) to be perfectly protected from peeling off during operation, combined with die-cutting technology for keyholes and jacks with extremely small tolerances.