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Akai PDP4225M - If You Forget Your V-Chip Password; Software Upgrade

Akai PDP4225M
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If you forget your V-Chip Password
- Omnipotence V-Chip Password: 5898.
- Press MENU button.
- Press Up, Down buttons to highlight "V-Chip" Control.
- Press OK button to pop up "INPUT PASSWORD".
- Use the Number buttons (0~9) to enter the omnipotence Password 5898.
- Press Down to highlight "Password change" Control.
- Press OK button to confirm and will pop up "Password Change" item.
- Change to your familiar Password again.
Software upgrade
- Connect the RS-232C input jack to an external control device (such as a computer) and software upgrade.
Type of connector; D-Sub 9-pin male
No. Pin name
1 No connection
2 RXD (Receive data)
3 TXD (Transmit data)
4 DTR (DTE side ready)
5 GND
6 DSR (DCE side ready)
7 RTS (Ready to send)
8 CTS (Clear to send)
9 No Connection
RS-232C configurations
7-wire configuration
(Standard RS-232C cab
PC PDP
RXD
2
3
TXD RXD
2
TXD
3 2
RXD TXD
3
GND
5 5
GND GND
5
DTR
4 6
DSR DTR
4
DSR
6 4
DTR DSR
6
RTS
7 8
CTS RTS
7
CTS
8 7
RTS CTS
8
D-Sub 9
D-Sub 9
3-wire configuration
(For PDP software upgrade)
PC PDP
D-Sub 9
3
TXD
2
RXD
5
GND
4
DTR
6
DSR
7
RTS
8
CTS
D-Sub 9
1
5
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