Hitachi 3000 - Manual (Page 82)

- 6-3 -
Chapter 3
How to Use the
Telephone
Chapter 6
Other settings
Setting/Ending keylock
When the keylock is set, button operations are disabled.
You can lock the keys to prevent accidental operation of keys, for example when you walk around with the phone's power On.
1 In Standby, hold down the # key for at least one second.
If the key lock mode is set to "Password", you are asked to input your password.
Enter the password, then press the # key.
The default value for the password is "0000". You can change the password
freely.
2 The phone goes into key lock mode.
When the phone goes into key lock mode, the key lock mode icon is displayed on the
screen.