• A key icon
will appear at the top of the display when the keypad is locked.
• To unlock the keys, press and release the UP
and DOWN
buttons at the
same time. The key icon
will disappear.
• To lock the keypad, press and release the UP
and DOWN
buttons at the
same time. The key icon
will appear.
NOTE: If no buttons are pressed for 15 seconds, the keypad will automatically lock.
4
POWERING THE PR-4000
Press and hold the power button for about 2 seconds. To turn the power off,
unlock the keypad then press and hold the power button for 2 seconds.
LOCKING/UNLOCKING THE KEYPAD
• The charging port is located on the left side of the PR-4000 below the power button.
• This can be charged with any USB micro charger.
• The battery icon
will blink while charging
• Charge time will typically be 6-8 hours.
Note: If the PR-4000 battery is dead for several months, all programming may be lost.
CHARGING THE PR-4000
