: Built-in rechargeable battery (typically around 350mAh to 600mAh depending on the manufacturer).
When the lithium battery drops below operational voltage, the sound will distort, crackle, or the unit will suddenly power off. Plug the device in to charge immediately.
| Interval | Task | Procedure | | :--- | :--- | :--- | | | Visual Inspection | Check for leaks, unusual noise, or vibration. | | Weekly | Cleaning | Wipe piston rod with a lint-free cloth to prevent debris ingress. | | Monthly | Sensor Calibration | Verify position readings against physical stops. | | Annually | Seal Replacement | Replace rod wiper seals and O-rings (Kit Part #TDV-26-SK). | tdv26 instruction manual
The TDV26 includes a USB virtual COM port for real-time data streaming.
Do not apply line voltage (120V) to terminals 1 or 2 on a low-voltage TDV26. This will instantly fry the microprocessor. If you have a high-voltage variant, the terminal layout will be different—verify using the QR code on the device label. : Built-in rechargeable battery (typically around 350mAh to
Insert a MicroSD/TF card (formatted to FAT32) or a USB drive containing MP3 files into the corresponding slots.
Toggle the power switch to the 'ON' position. A prompt sound will indicate the speaker is active. Power Off: Toggle the switch to 'OFF'. Bluetooth Mode (Pairing) | Interval | Task | Procedure | |
Before performing any maintenance, disassembly, or adjustment, the energy source (pneumatic, hydraulic, or electrical) must be isolated and locked out. Verify that all residual pressure has been vented from the system.
For full amplitude calibration (gain and linearity), refer to Section 7.4 of the official tdv26 instruction manual. This requires a certified technician.
Connect the supplied Mini-USB cable to the DC 5V port of the speaker. Plug the standard USB end into a 5V 1A wall adapter, a computer port, or a power bank.
: The front panel features four primary buttons— MODE , Play/Pause , and V+/V- (Forward/Backward).