testo 420 · Flow Hood Startup instruction
1 Mounting Standard hood (610x610 mm) 1 Mounting Standard hood (610x610 mm) 1. Lift the hood at the aluminum frame on 2. Push the support rods through the hood, along the markings and into the funnel in the measurement base. 3. Push the support rods on the top of the hood into the brackets. 4. Screw together a short and long section of the support rods (4x) at the silver ends. 5. Push the support rods (4x) through the hood, along the markings and into the funnel in the measurement base. 6.
2 Attaching the measuring instrument 2 Attaching the measuring instrument 1. Make sure that the testo 420 is fully pushed into the instrument holder. In doing so, pay attention to the catch on the right-hand and left-hand side in the bracket.
4 Switching Bluetooth on/off 3 Switching background illumination on/off 1. Press . - The background illumination is switched on/off. 4 Switching Bluetooth on/off 1. ▲ Hold down for 3 seconds - Bluetooth is switched on/off.
0970 4201 en 02
