12│en Introduction to the system
Function of the code pad
The code pad captures the pin code with the capacitive keypad. The code
pad compares what has been entered with the stored reference codes.
The code pad can handle pin codes containing 4 to 8 digits. The digits in
the pin code cannot all be the same; at least one of them must be
different. There are 2 types of pin code: The admin code for configuring
the system and the user code for opening the door.
Controls, optical signals, and acoustic signals on the code pad
The code pad has 2 sections with controls.
Enter pin code; select menu item.
Confirm pin code input as positive or negative;
start menu.
Table 3: Code pad controls
2 status LEDs signal the operating statuses (pin code correct, pin code
incorrect, menu item, etc.). An acoustic signal transmitter signals that the
button has been pressed and that access has been enabled.
1 Left status LED
2 Right status LED
3 Input buttons
4 Confirmation buttons
Fig. 5: Code pad overview
The back-illumination of the keypad is blue, dimmable, and switches on or
off according to the lighting conditions.
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