Onkyo DR-L50 Service Manual page 37

UPGRADE FIRMWARE-5
2 Upgrade firmware
[NOTES]
This procedure document supposing using Japanese PC.
The program file name, the folder name, etc. are examples.
1. Start MS-DOS prompt using the start-up menu of PC.
Windows of
MS DOS prompt
drl50fw
drl50fw>down
C: WINDOWS>_
C: >_
3. Press the Enter button, after inputting
cd drl50fw by the keyboard.
Space
drl50fw : The folder name which saves the program file
C: drl50fw>_
4. Press the Enter button, after inputting
down b1bk1138.sz0 by the keyboard.
Space
b1bk1138.sz0 : The program fail name
[The meaning of this sentence]
Please switch on the power supply after connecting
the DVD player and PC.
www.denom.com
2. Press the Enter button, after inputting
cd.. by the keyboard.
Zero
The file name changes with firmware version.
DR-L50