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NetworkAIR FM DX 60 Hz Operation, Maintenance, and Troubleshooting46
Adjust display
Path: Main > Setup > System > Display > Display Adjust
Set the LCD contrast. Adjust the visibility of the screen text. Lower numbered settings provide darker
text; higher numbers provide lighter text. Settings range from 0–7.
Key Click. Enable or disable a beep sound every time a key is pressed on the display interface.
How to update the firmware
Path: Main > Setup > System > Display > Update Firmware
To update firmware:
1. Go to www.apc.com/tools/download/ and check for the most recent version of the firmware.
2. If a newer version is available, download it to a location that can be accessed in step 5.
Caution: Stop the System before updating the firmware. For instructions, see “Stop
the System” on page 8.
3. Set up the serial connection:
a. Connect an available serial port of your computer to the DB-9 serial port on the electrical
panel, using the supplied serial cable (APC part number 940-0103). To extend the cable, use
APC cable number 940-1000A with 940-0103.
b. Run a terminal emulation program, such as HyperTerminal
®
.
c. Configure the following settings on the serial port you selected:
Note: Some terminal emulation programs require that you disconnect and then
reconnect the terminal session for the new serial port settings to take effect.
4. On the display interface, select YES from the Update Firmware menu. Use the path you
selected in step 2.
5. In your terminal emulator, ensure that the connection is active (HyperTerminal will display a
series of “C” characters) and send the file using the XMODEM protocol.
6. When the download is complete, the screen displays the new version.
7. Restart the System.
Baud Rate 19200
Data Bits 8
Parity None
Stop Bits 1
Flow Control None