Introduction

The Molitor AP 01 Media Player plays back audio files in premium quality and boasts practical functionality. Audio files can be saved onto a commercial SDHC memory card or USB stick and then played back on the AP 01. Alongside classic stand-alone use in museums and exhibitions, the AP 01 is suitable for many other uses such as information offices, point of-sale installations or for permanent background music.

Please read these instructions carefully before connecting the audio player and using it. The connection and start-up procedure should only be carried out by qualified personnel.

AP 01 Audio Player Manual / Kurzanleitung

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Features of the AP 01

General Purpose Inputs / outputs – GPIO
The inputs to your AP 01 can come from standard buttons or sensors and require a close contact to trigger the input. When wiring multiple inputs, we suggest wiring a common ground in parallel. This will reduce the amount of wires coming into the ground socket of your GPIO.

Line Output

The 3.5mm Line Output provides a nonadjustable line level signal for connecting to amplifiers and active speakers.

Wiring your VIA or USO

For mono handsets like the VIA and USO, one side of the audio needs to be wired to ground (GND).

You can connect the audio and reed contact circuits of up to two handsets. In that case, please ensure that the reed contacts are connected parallel in order to ensure that the circuit works. As long as one of the handsets is lifted, the player will work. If both handsets are put back, the playback will stop.

Note: If you do not wish to use the auto-start function of your handset, then the yellow and green wires should not be wired into the AP 01.

Programming

AP01 Playlist Generator

Instead of manually editing the playlist.txt file, you can use the AP01 Playlist Generator below. Add your audio files by dragging and dropping them into the tool, configure your settings (Reed switch, Buttons, and Intro audio), and reorder the tracks if needed. Once ready, click Preview Playlist to review the generated file, then Create ZIP Package. The ZIP contains all your correctly renamed audio files together with a ready-to-use playlist.txt — simply extract the contents to the root of your SD card and insert it into your AP01.

1. Drop or select your audio files (MP3, WAV, OGG, M4A, FLAC)
2. Set Reed if using a reed switch trigger
3. Set Buttons ON for button navigation (max 9 files)
4. Set Intro ON to add an intro audio (requires Buttons ON)
5. Drag the numbered items to reorder
6. Click Preview Playlist to review
7. Click Create ZIP → copy contents to SD card root

Ensure that all of your media files and playlist.txt file are saved to the top level of your SD Card. Folders will be ignored unless they have been programmed to be read in the playlist.txt file.

Important Note:The mac OS operating system will create hidden files that can interfere with the smooth running of your AP 01. In that case make sure you make a “clean eject” of the sd-card, so no hidden files will be created.

Technical data

(HP = Headphones, Phx = Phoenix plug, p = pin, Out = Output, In = Input)

Example Downloads

1btn_4_audio_files_no_interruption

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