right Side View
The Tecla Shield has two dual switch 1/8” or 3.5mm stereo ports
labelled 1 and 2.
Use an AC adapter with 2.1mm center-positive barrel plug (9–24V)
to charge your Tecla Shield. (Optional)
Use a USB cable to connect the Shield to a USB port or wall
adapter to charge. (USB cable included)
Turn your Shield off when not in use to conserve the battery.
Provides access to up to five switch inputs through a DSub, 9-pin
(also known as DB9) connector. The wheelchair port is compatible
with directional controls on standard powered wheelchair
Environmental Control Unit (ECU) modules, as well as other
multiple switch devices such as joysticks.
Switch Ports (1 and 2)
DC Power Port
Micro USB Port
On / Off Switch
Wheelchair Port
Left Side View
tecla shield user guide
getting started
The Hardware
dc power port
on / off button
micro usb port
switch ports
wheelchair port
