F9, F9 Express Fetal & Maternal Monitor User Manual Pre-Monitoring Preparation
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1 Select the volume adjustment key on the main interface.
2 Rotate the control knob clockwise or touch the symbol for one step, the volume
increases by one level, there are ten levels in all; the green pane of the volume level
indicator increases by one at every two steps; rotate the knob anticlockwise or touch
the symbol to decrease the volume.
3 Press the knob again or touch any other place on the screen to confirm the volume level.
*Adjust the key volume:
The volumes of pressing keys, rotating and pressing the control knob are also adjustable.
1 Select the setup key on the main interface.
2 Select General > Key Volume.
3 Select Low (default), High or OFF.
4 Select OK.
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