The Updating Procedure - Furuno Felcom 250 Service Manual

12.4 Updating the Software for the Antenna Unit

12.4.2 The Updating Procedure

When updating the ATB and HPA software for the Antenna unit FELCOM-500/250
(FB-1500/1250), connect [RS-232C] for the Communication unit and the PC serial port
using a 9pin D-sub straight cable as shown below.
No setting is required for the PC serial port.
Fig. 12.4.1 Updating ATB and HPA for the antenna unit
Procedure
The method for updating the software is the same for ATB and HPA. Described below is
the updating method for ATB.
1. Make sure to turn the power of the Communication unit off.
2. Open the folder, and click "_cmd.exe". The command prompt will be displayed.
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