Manual - Zn-401s
Turn on the device you want to sync (e.g., your television or DVD player) manually.
Before programming your remote, you must install the correct power source and understand the integrated battery-preservation features.
The most recognized "ZN-401S" product is a universal remote control manufactured by Zenith. This simple, infrared remote is designed to control televisions and other audio-video components. An FCC filing from 2006 officially identifies the Zenith ZN-401S as a universal remote control (Product Code: APXZN-401S) submitted for certification by Universal Electronics Inc. on behalf of Zenith.
💡 Pro Tip: Always record your manual settings on a physical log sheet. If the unit is ever replaced or factory reset, you can restore your specific process parameters in seconds. If you'd like to dive deeper into this technical setup: Specific wiring diagram for your output type (SSR vs Relay) Step-by-step instructions for 4-20mA scaling Advanced alarm logic configurations zn-401s manual
| Parameter | Meaning | Typical Setting | | :--- | :--- | :--- | | SN | Sensor input type | K (for K-thermocouple), PT (for Pt100) | | UNIT | Temperature unit | C or F | | P | Proportional band | 30 (start here, then fine-tune) | | I | Integral time | 240 seconds | | D | Derivative time | 60 seconds | | OUT | Output mode | HEAT or COOL (for refrigeration) | | AL1 / AL2 | Alarm values | Set upper/lower limits |
Defines the gap between turning the output on and off.
Press and hold the corresponding device button () on the remote control interface. Turn on the device you want to sync (e
Dedicated Menu Control, Subtitle Toggle, Chapter Scan, Repeat Playback, Built-in Sleep Timer 🔋 Battery Installation and Maintenance
Hold the Set key for 3 seconds to enter the main parameter menu. Common parameters include:
Elias turned the dial to Grief. The whine from the generator shifted, dropping an octave. The ZN-401S hummed, matching the frequency. The manual claimed the device created a feedback loop that could stabilize machinery by "attuning to its ghost." This simple, infrared remote is designed to control
Alarm Outputs: Most ZN-401S models feature at least two programmable alarm relays for over-temperature or system failure alerts. Navigation and Parameter Settings
Your controller has a higher-level lock. Try LCK=1111 or LCK=808 . Check the "Security" section in your downloaded manual.
This is the most critical section of any . Since the original product documentation is difficult to locate, the following instructions are based on standard programming protocols for Zenith universal remotes.