Pitney Bowes E707 - Manual (Page 22)

At the key in the lock
code. After verifying the code, the meter
returns to ready mode.
ENTER LOCK CODE
Press Lock . The message
displays for two seconds. Then the message
displays.
The meter funds cannot be used without
entering the lock code.
ENTER CODE TO UNLOCK
METER LOCKED
E707 METERS
22
Unlocking the meter funds
Locking the meter funds
Changing the lock code
Follow the directions above for turning off the
lock function except enter your new code in
place of the disable code 0000.
If you forget your lock code, call Pitney Bowes.