When powered, the LCD cycles through parameters automatically (depending on the firmware version):

: Hold the DOWN button for 6+ seconds to view the last trigger cause. AndroidMag.ru

To configure your TOMZN TOVPD1-60-EC, press and hold the button for 3 seconds. Once the screen begins to flash, use the UP and DOWN keys to adjust the parameters. Press SET briefly to move to the next "Step." 1. Over-Voltage Protection (A1) Display: A1 Range: 230V–300V (Default: 270V)

: Press and hold the UP button for more than 12 seconds to view the last disconnection cause.

Tovpd1-60-ec Manual — Tomzn

When powered, the LCD cycles through parameters automatically (depending on the firmware version):

: Hold the DOWN button for 6+ seconds to view the last trigger cause. AndroidMag.ru tomzn tovpd1-60-ec manual

To configure your TOMZN TOVPD1-60-EC, press and hold the button for 3 seconds. Once the screen begins to flash, use the UP and DOWN keys to adjust the parameters. Press SET briefly to move to the next "Step." 1. Over-Voltage Protection (A1) Display: A1 Range: 230V–300V (Default: 270V) tomzn tovpd1-60-ec manual

: Press and hold the UP button for more than 12 seconds to view the last disconnection cause. tomzn tovpd1-60-ec manual