Tdv26: Instruction Manual |top|

The is a portable mini digital speaker that functions as an FM radio and MP3 player. It supports input from microSD (TF) cards and USB flash drives. Core Operations

| Error Code | Meaning | The Fix | | :--- | :--- | :--- | | E-01 | SD Card Error (Dash cams) | Reformat the card to FAT32. Do not use cards larger than 32GB. | | E-04 | Low Battery | Charge using a 5V/2A brick. A computer USB port (0.5A) is too weak. | | H-01 | Overheating | The TDV26 will shut down. Move it out of direct sunlight. | | --- | No Signal (Thermostat) | Check the wiring connection to the C-wire (Common wire). | tdv26 instruction manual

Briefly press to skip to the previous track or radio station. Long-press to decrease volume. NEXT / VOL+: The is a portable mini digital speaker that

TDV26 Instruction Manual: The Complete Guide to Setup, Operation, and Troubleshooting

Last Updated: May 2026
Product Line: TDV26 Series (Standard, Pro, and Industrial variants) Do not use cards larger than 32GB

Briefly press to play or pause music. In FM mode, long-press to auto-scan and save radio stations. PREV / VOL-: