HTC DROID Eris PB00100 - Manual (Page 209)

Managing Your Phone 209
5. Draw the screen unlock pattern by
connecting at least four dots in a vertical,
horizontal and/or diagonal direction.
Lift your finger from the screen when
finished.
Note You must slide your finger on the
screen to create the pattern and not tap
individual dots.
6. The phone records the pattern. Tap
Continue.
7. When prompted, draw the screen unlock
pattern again, then tap Confirm.
Tip Clear the Use visible pattern check box, if you do not want the
unlock pattern to display on the screen when you unlock it.
Note To change your unlock screen pattern, press HOME > MENU, then
tap Settings > Security > Change unlock pattern.
When you fail to draw the correct unlock pattern on the screen after
five attempts, you will be prompted to wait for 30 seconds before you
can try again. If you forgot your screen unlock pattern, tap Forgot
pattern. You will be prompted to sign in using your Google Account
name and password, and create a new screen unlock pattern before
the Home screen displays.