Zn-401s Manual Jun 2026

features a native firmware-side sleep timer calculation tool. This feature can turn off your target screen automatically even if your TV doesn't have an internal sleep timer.

Connect the sensor to terminals labeled "Input". Pay close attention to polarity.

Do you need the for a particular brand of TV or DVD player to finish your setup? zn-401s manual

: Can turn off your TV even if the TV itself doesn't have a built-in timer. Advanced Media Controls

[Hold TV Key (3s)] ➔ [LED Stays Solid] ➔ [Press POWER] ➔ [LED Blinks / Search Starts] ➔ [TV Powers Off] ➔ [Press TV Key Again to Save] features a native firmware-side sleep timer calculation tool

Check the serial number prefix. For example, ZN401S-21Cxxxx indicates Rev C (2021+). Download the manual that matches your revision. Using the wrong manual may show buttons that don’t exist on your unit.

Align the battery cover tabs and slide it firmly upward until it clicks securely back into place. Pay close attention to polarity

Power on the unit. The display will show the current reading.