Turn the dial only. Rotating it counter-clockwise can damage the internal gear mechanism.
I searched for a manual or detailed technical specifications for the , but could not locate a full user or service manual in publicly available databases or standard industrial timer documentation archives.
Press the P button once more. The number will change to "2," and the bulb icon will disappear or blink to show the circuit will open.
: Ensure your device does not exceed the timer's rating (typically 230V and up to 20A for some models).