Worldcast Systems ECRESO FM 750W User manual

ECRESO FM 750 W/1000 W/1500 W/2000 W, user manual–12/2017
Page 202
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D.5. Replacing an audio board
This procedure must be used to replace a defective audio board or to replace the analog audio board by an AES board.
!Software version 1.4 or more is required to replace the analog audio board by an AES board.
In the standard configuration, the transmitter is fitted with:
·One analog audio board (Line 1)
·One AES board (Line 2)
1. Turn off the module and unplug it from the mains.
2. Unscrew all lid screws and remove the lid.
3. On the rear panel, remove screws for the board that needs to be replaced: 4 screws for the analog audio
board, 2 screws for the AES board:
Analog audio board
AES board

ECRESO FM 750 W/1000 W/1500 W/2000 W, user manual–12/2017
Page 203
Head Office : Parc d’activites Kennedy - 20, avenue Neil Armstrong –33700 Bordeaux-Merignac (France)
Tel [phone] –Fax [phone] –www.worldcastsystems.com –contac[email protected]
4. Inside, disconnect the board by pulling lightly and take it out.
5. Place the new audio board by first putting the BNC connectors through the rear panel cutouts, and then
connect it to the commutation board.
6. Screw the 2 or 4 screws on the rear panel.
7. Screw the lid back in place.
If you have replaced the analog audio board by an AES board:
8. Set the supplied plug in the unused cutout.
9. Calibrate the transmitter with the supplied file.
Please refer to Appendix E for the calibration procedure.
iThe audio board type is automatically detected by the transmitter at startup. Audio input parameters previously
set are kept with no required additional step beyond a quick check!
Analog audio board
AES board