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5. Program Upgrade
The three programs are used for the SC-50/110. Two programs are used in the processor unit
and one program is in the display unit. The program numbers are tabulated below. Note that
the program number of SC-50 is the same as SC-110, but they are different. The program for
SC-50 cannot be overwritten by the one for SC-110 in the field and vise versa.
(As of February 2005)
Unit Board Program No. How to update
MAIN board 205-1341-01.02 By using a PC
Processor unit
GPS receiver 4850263003 By replacing GPS core
Display unit CPU board 205-1342-01.01 By using a PC
The following describes how to update the programs stored on the MAIN and CPU boards.
1) MAIN board (Processor unit)
To upgrade the program on the MAIN board;
1. Connect the serial port of the PC to J15 (D-sub) on MAIN board
PC (Serial port) SC-50/110 (J15)
#3 #2 RXD
#2 #3 TXD
#6 #5 GND
#4
#6
#7
#8
2. Turn on the PC. Do not as yet turn on the SC-50/110.
3. Click the SCUP.bat file in the SC-50/110 program file.
4. Turn on the SC-50/110 after the message “TARGET POWER ON” on the PC screen.
5. “NOW LOADING” appears on the SC-50/110 display unit, while “Now Erasing”, and
“xxx percent completed” appear during program upgrade on the PC screen.
6. The program upgrade is completed with the message “Finish Version up.ted” on the PC
screen. (About 3 minutes 30 seconds) The SC-50/110 displays the Heading display.
7. Turn off the SC-50/110 and turn it on again.
8. Confirm the program number through the SOFT VER. menu.