Carrying Out A Firmware Update - TESTO 480 Instruction Manual

7 Maintaining the product
✓ Instrument is switched on and probe is connected.
✓ Probe is already exposed to reference conditions (e.g. salt pot)
for an adequate adjustment time.
•
•
•
✓ Tab for the relevant probe is activated.
1. [
2. Select reference value used (11.3%RH/75.3%RH).
3. [
- A pop-up window with the remaining adjustment time is
displayed.
4. [
- Adjustment menu is closed.
5. Carry out adjustment for the second adjustment point.
7.1.3.

Carrying out a firmware update

Updated firmware can be installed on the instrument.
✓ Instrument is switched on.
1. Download the current firmware file from
www.testo.com/download-center (registration required).
2. Unzip downloaded zip file.
3. Connect the instrument to the PC with a mini USB cable.
- Instrument is identified by the PC as a USB mass storage
device. The operating system automatically assigns the
instrument memory a drive letter. This is displayed in Windows
Explorer.
52
Adjustment time for humidity probe at least 30 min
Adjustment time for IAQ probe at least 1 h
Adjustment time for thermal air flow measuring head and
humidity probe at least 3 h
→
] Probe menu.
→ Adjustment.
]
→ End.
]
A firmware update can also be carried out with testo
EasyClimate.
When the instrument is connected to the PC, the
instrument control buttons are locked. As soon as the
instrument is disconnected from the PC, it can be operated
again via the control buttons.