Weltouch Cy-210b Manual -

: Measures RMS effective current value every half-cycle, instantly adjusting for line-voltage drops.

): Increases numerical values or scrolls forward through menu items. DOWN Arrow ( weltouch cy-210b manual

If the system becomes unresponsive or parameters are misconfigured beyond manual tracking, you can restore factory defaults: Turn off the main power supply to the CY-210B. : Measures RMS effective current value every half-cycle,