User Guide

2-8 AcerAltos 19000Pro4 System Guide
2.3 System Startup
After making sure that you have set up the system properly and
connected all the required cables, you may now apply power to the
system.
2.3.1 Unlocking the Front Panel Security
The system has a keylock on the front panel to prevent unauthorized
use. Before power on, open the lock with the key that comes with the
system. (The system keys are attached inside the upper front door.)
To unlock, insert the key and turn it counter-clockwise until it reaches
the unlocked icon.
Figure 2-6 Unlocking the Front Panel Security
After locking or unlocking, remove the key
from the front panel to prevent unauthorized
users from tampering with the system.
Unlocked Icon
Locked Icon