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6.3
Firmware update
A firmware update can be performed via the USB type A connection using a USB stick.
1. Copy the firmware file (e.g. " TW720x_FW_*.bin ") directly - without subdirectory (root) - to a FAT
formatted USB stick. The file must not be renamed. There must not be another update file in the root
directory on the USB stick!
2. Switch off theTW 7200 and connect the USB stick to the device.
3. Switch on theTW 7200. After the USB stick has been recognized, the loading of the update file is
signaled by the status LED. This flashes red & green alternately, interrupted by repeated red phases.
4. continuous, slow flashing (1Hz) after approx. 10 seconds signals the successful update.
In the event of an error, the status LED flashes quickly red (5Hz). The update must be performed again.
To do this, briefly switch off the power supply and restart the TW 7200.
5. After the update has been completed, switch off the device and remove the USB stick.
7
Guarantee
We provide guarantee for the device described for two years from the date of purchase. This guarantee covers
manufacturing faults being discovered within the mentioned period of two years. Claim under guarantee covers
only the restoration of functionality, not any further claim for damages or financial loss. Improper handling/use or
illegitimate opening of the device results in loss of the guarantee rights. The guarantee does not cover wear
parts, as lobes, cylinders, valves and pipes including the thread connections and the titration tips. The breach of
glass parts is also excluded. To ascertain the guarantee liability, please return the instrument and proof of
purchase together with the date of purchase freight paid or prepaid.
8
Storage and transportation
If the device has to be stored over some time, or to be transported, the use of the original packing will be the best
protection. However, in many cases this packing will not be available anymore, so that one will have to compose
an equivalent packaging system. Sealing the devices in a foil is hereby recommended. The devices should be
stored in a room with a temperature between + 10 and + 40°C, and the (relative) humidity of the air should not
exceed 70 %.
9
Recycling and Disposal
Please observe the applicable local or national regulations concerning the disposal of "waste electrical
and electronic equipment".
The devices and their packaging have been manufactured as far as possible from materials that can be disposed
of in an environmentally friendly manner and recycled properly. If you have any questions about disposal, please
contact our service department (see back of these operating manual).
EC – Declaration of Conformity
10
The corresponding declaration of conformity of the device can be found on our homepage. It will also be made
available to you on request.
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