Alto Professional STAGEDRIVE+ Guide D'utilisation Simplifié page 17

LCD Contrast- Adjusts the Display contrast.
LOCK SUBMENU- Used to enable or disable the protection of the system against accidental or unauthorized
changes.
How to enable protection
1. Choose a protection mode (Partial or Total).
2. Use the
and
3. The password can be made up of four alphanumerical characters, obtainable using the
and editable with the DIAL.
4. After entering the password, press ENTER.
Note: Confirmation is only accepted if the cursor is positioned on one of the four password characters. This
prevents the accidental enabling of protection without having seen the password.
How to disable protection
1. Access the LOCK submenu.
2. The display shows the prompt for entering the password to unlock the protection.
3. Enter in the password using the combination of the < and > keys and the DIAL, then press ENTER.
Note: in the event of an incorrect password, the display prompts again, encrypting all the characters.
IMPORTANT! If you cannot remember the password, turn the unit on while pressing the "PREV" and "
keys. Now the protection is unlocked.
keys to access the area in which the password is entered.
16
keys
and
"