Nexstar SynScan - Manual (Page 14)

5. Click "Browse" to select the file in the SynScan folder. Click "Update"
l o start downloading the new firmware into your SynScan TM hand control. You will see the
status of the update below the "Update" and "HC. Version" buttons
SynScan Loader
6. When the download is complete, the status will show "Update Complete". The SynScan TM
hand control is now updated to the newest firmware. Generally it takes about 30 seconds
to update the firmware. It may take longer if you are using an USB-to-RS232 converter.
If error message "Can not connect to a SynScan hand control" is shown, check the cable
connection and the PC cable itself. Make sure it is all in good working condition. Close all
applications be occupying the RS-232 port and again.
If you receive the error "Firmware update failed...", reset the control by
the power plug and re-connecting it. Repeat the update
By default, the data rate hand control and the PC is set to
be I The port on some not support such high rate If update
process after a tries, you can reduce the rate by pressing the "SETUP" key on the
hand control the power supply is plugged in This reduce the data rate to 6 kbps .
The LCD screen will show the "Lo" in the right comer to indicate that it is
now in communication The steps for updating the the
now it takes longer to (about 240 seconds).