Firmware Upgrade (Fw 2.20); Record/Play Back Test - Philips LFH 9750/00 Service Manual

Firmware Upgrade (from Firmware version 2.20 onwards)
Download the last version of Firmware <DPMFirmwareV0220.exe> (e.g. for Firmware
version 02.20) from http://www.speech.philips.com/service/ to a dedicated directory on
your PC.
To upgrade the Firmware on LFH 9750/00:
3. Start the <DPMFirmwareV0220.exe> file.
4. Follow the instructions given by the DPM Firmware Upgrade Wizard.
After starting the Test mode by pressing DL and DEL buttons and JOG Dial
simultaneously the Display indicates the loaded Firmware version, e.g. VER: 02.20
USB (connector) test
The communication between the LFH 9750 and the PC is tested during any Firmware
Upgrade process by connecting the LFH 9750 to the PC.
Firmware fault codes
A number of faults are recognized by the firmware and a fault code is displayed on the
LCD.
Example:
If above information appears on the LCD please notify the mentioned fault code (e.g. fault
code 200) and report it to your Cluster Service Manager for further investigations.

Record/Play back test

Insert a Memory Card.
Create a record via the connected microphone (LFH 0276/10 or LFH 0278/10) and a
conference microphone LFH 0172 (test of the conference microphone socket) as well.
Play back the recorded sound file via the built-in loud speaker and a headphone (test of
the headphone socket) as well.
7