Kramer Electronics PL-50 - Manual (Page 35)

Flash Memory Upgrade
31
3. If you are upgrading using an Ethernet connection, check Ethernet.
To reset the device address to the factory default address, click Default and the
address 192.168.1.39 appears.
If you are upgrading using:
 RS-232 check Serial, and select the COM port to connect
 USB, check USB and select the USB device to connect
4. Click Connect.
Note: If you try to connect to a device and the time out message appears
1
Figure 32
(see
), click CLOSE and verify that the device is powered on, the cable
connection is good, the switch on the device is set to “Program”, and that you
are trying to connect by the correct method and then click Connect again.
Figure 32: Connection Time Out Message
The machine is now connected:
1 Other Error messages may appear, such as “No USB devices were found” or “This driver is not a valid driver for this unit”
and so on