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9
DESCRIPTION
1) Splash‑proof keypad
2) Liquid Crystal Display (LCD)
3) Indexing mark
4) Protective port covers
5) Light‑blocking cover panel
6) Cuvette holder
7) ON/OFF power button
8) 3.5 mm TRRS (jack) input for digital electrodes
9) Standard USB host connector for data transfer to a USB flash drive
10) Micro‑USB device connector for power or PC interface
4.3. FUNCTIONAL DESCRIPTION