Tdv26 Instruction Manual Updated Jun 2026
Turn on the speaker and long-press the button until the screen reads "LINE" or "AUX" .
Avoid leaving the device in direct sunlight or high-temperature environments like parked cars.
The battery might be depleted. Charge the speaker for at least 2-3 hours. 5. Maintenance Do not expose the device to extreme heat or water. Clean the exterior with a dry cloth.
Proper care prolongs accuracy.
According to the tdv26 instruction manual, never disconnect probes while logging is active to avoid corrupting the file.
is a compact, multi-functional mini speaker that serves as an FM radio, MP3 player, and external speaker. Designed with a durable aluminum alloy shell, it fits easily in your pocket and includes a built-in rechargeable battery.
Connect your phone, laptop, or MP3 player to the speaker using a 3.5mm audio cable. Select "Line-in" mode. tdv26 instruction manual
Starts or stops audio. In FM mode, a long press auto-scans stations.
| Icon | Meaning | |------|---------| | | Autoranging mode | | H | Display hold active | | LOG | Data logging in progress | | USB | Connected to PC | | BAT | Low battery (<10%) | | REL | Relative mode (zero offset) |
Plug the 3.5mm auxiliary jack end into the headphone port of your phone, computer, or tablet. Turn on the speaker and long-press the button
A quick press skips tracks. To adjust volume, you must long-press the V- or V+ buttons. You'll see a 'U' followed by a number on the screen representing the volume level. The "Secret" Features The Light Show: The
: Switches between available modes (MicroSD, USB, FM Radio, and Line-In Aux). 🚀 Operating Instructions 1. Charging the Battery
Press and hold the Play/Pause (SCAN) button for 3 seconds. The speaker will rapidly cycle through all frequencies from 87.5 to 108 MHz, automatically saving every strong radio signal it finds into channels (P01, P02, etc.). Let this process complete fully. Charge the speaker for at least 2-3 hours
Mini LED screen (tracks track numbers, radio frequencies, and modes)