52
IA540R
Cod. 420120398 REV. 1.0
English
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6. UPDATING THE FIRMWARE
It is very important to keep the product firmware updated to ensure full functionality. Periodically check the
“
” section of the
website.
1. Download and install the USB BURNER MANAGER onto your computer from the “
” section.
2. Download the .zip file of the latest firmware for your product from the “
3. Connect the product to the PC using a USB cable (not supplied) with the correct connector type (see this
detail in the
AMPLIFIER AND CONTROL SECTION FEATURES
chapter).
4. Select “Open File” at the top right of the USB BURNER MANAGER screen.
5. Select the previously downloaded firmware file.
6. Follow the instructions shown on the screen.
7. Click “UPDATE”.
You can also update the IA504R firmware from the Firmware Update section of the AURORA NET software.
1. Check the signal level from the audio source.
2. If the Peak/Fault LED lights on one or more channels, the signal may already be distorted before it
reaches the speakers. In this case, adjust the output level.
3. Check that the speaker connection cables are not damaged. If they are, replace them (a damaged cable
may cause signal loss or alteration).
The sound from the amplifier is distorted:
1. Check that the audio signal inputs are connected correctly.
2. Check that the connection cables are not damaged.
3. Check that the audio source is on and clearly shows an output signal.
7. TROUBLESHOOTING
The amplifier turns on but does not produce any sound:
1. Check that the system is connected to a working power supply.
2. Check that the power cable with 10A IEC connector is plugged in properly.
3. If the problem persists, contact an authorised service centre.
The amplifier does not power up:
