Delta C2000 Series User Manual page 312

9. Keypad Locked
Press to lock
NOTE
Limitation: The charging process of the super capacitor will finish in about 6
minutes. When the digital keypad is removed, the time setting will be in
standby status for 7 days. After this period, the time needs to be reset.
Keypad Locked
This function is used to lock the keypad. The main page would not display
"keypad locked" when the keypad is locked, however it will display the
message"please press ESC and then ENTER to unlock the keypad" when any
key is pressed.
When the keypad is locked, the main screen doesn't
display any status to show that.
Press any key on the keypad; a screen as shown in
image on the left will be displayed.
If ESC key is not pressed, the keypad will
automatically be back to this screen.
The keypad is still locked at this moment. By
pressing any key, a screen as shown in the image on
the left will still be displayed.
Press ESC for 3 seconds to unlock the keypad and
the keypad will be back to this screen. Then each key
on the keypad is functional.
After the above steps, the keypad will not be locked when turning off the
power and turning on the power again.
10-15
Chapter 10 Digital KeypadC2000
Use Up / Down key to set up Hour
Use Up / Down key to set up Minute
Use Up / Down key to set up Second
After setting up, press ENTER to confirm
the setup.