Sony HDC-900 Maintenance Manual page 21

4. The VERSION UP execution page is displayed as shown below.
HDC-900 :
Move the cursor to "AT VERSION UP" and then press the MENU SELECT switch toward the
"ENTER" side.
HDC-950 :
Move the cursor to "AT VERSION UP" and then press the rotary encoder.
CANCEL
AT VERSION UP
VERSION UP execution page
5. HDC-900:
After "VERSION UP OK?" is displayed, press the MENU SELECT switch toward the "ENTER"
side again.
HDC-950:
After "VERSION UP OK?" is displayed, press the rotary encoder again.
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Press the MENU SELECT switch (HDC-900) or MENU switch (HDC-950) to "CANCEL" side to
cancel the operation.
6. The back tally lamp behind the handle repeats blinking and lighting on, and lights off after about 30
seconds.
If the back tally lamp remains lighting on and does not light off, proceed to step 8.
7. Turn the power off and then on. The unit will start with the ROM upgraded.
At step 6, if the back tally lamp remains lighting on and does not light off
8. Turn the power off.
9. Set S100-1 to S100-4 switches on the AT-130 board as shown below.
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When the version-up is finished, be sure to set the following switches to their original positions.
Therefore, it is recommend to write down the customer setting positions to the following table.
Switch Setting
S100-1 OFF
S100-2 OFF
S100-3 ON
S100-4 ON
10. Leave the memory stick inserted in the unit and turn the power on.
11. The back tally lamp behind the handle repeats blinking and lighting on, and lights off after about 30
seconds.
12. Turn the power off.
13. Set S100-1 to S100-4 switches on the AT-130 board to their original positions.
14. Turn the power on. The unit will start with the ROM upgraded.
HDC-900/950 MM
Customer Setting Position
1-10. Version-Up of ROM/AT-130 Board
1-11 (E)