Specifications

8
DOCNUMBER 9500
Document Issue 1, Revision 7
June 2009 Page 8–5
Alpha Radio Products Alpha 9500 HF Linear Amplifier Operating Manual
Product Release 1 Maintaining and Upgrading the Amplifier
On the Primary Board Procedure 8-4 Upgrade firmware on the primary board
Step 1 With the amplifier plugged into the power supply, turn the amplifier off.
Step 2 Connect a USB cable (Figure 8-1) between the amplifier and the PC.
Figure 8-1
USB cable
If the PC cannot see an additional COM port when the cable is plugged
into the amplifier, run the VCP installer software.
Step 3 On the PC, install the USB driver, if not already done.
The USB driver allocates the amplifier USB connection to a virtual COM
port (VCP), which looks and behaves like any other COM port.
Step 4 On the PC, run the Colt Bootloader and c
hoose the correct COM port and
baud rate.
!
IMPORTANT It is important that you set up the bootloader parameters correctly.