TST-100 Touchscreen Terminal Installation Guide 20
Keypad scramble
Keypad scramble is a feature available in the TST-100. It offers a high security option for covert code entry. The LED displays
randomly allocated set of numbers from 0 to 9. The position of the numbers change every time you activate the keypad so that
only the user standing directly in front of the keypad can see the scrambled digits. This prevents onlookers from detecting the
PIN when entered on the keypad.
You can enable this functionality on the TST-100 for either RM or Smart mode. For RM mode, you can enable the keypad
scramble on the TST-100 hardware. For Smart mode, you can enable the keypad scramble for a TST-100 in the C•CURE 9000
Administration Station.
Using keypad scramble in RM mode
1. On the TST-100 board, locate the S2 DIP switch. See Figure 3 for an image of the board and location of the switch.
2. On the S2 DIP switch, flip position 5 to the ONposition.
3. See TST-100 Touchscreen Terminal board for information on any further hardware configuration you want to perform on the
TST-100 board.
4. Power cycle the reader.
5. Complete further configuration you require in C•CURE 9000. See Configuration for more information. The keypad
scramble feature appears when you activate the keypad.
Using keypad scramble in Smart mode
1. After satisfying all initial configuration procedures from Smart Mode Configuration, in the C•CURE 9000 Administration
Station select the Hardware pane.
2. In the Hardware tree, locate your configured TST-100 device and double-click to open the iSTAR Reader editor.
3. On the iSTAR Reader editor, select the Keypad tab.
4. Select the Scramble Keypad check box.
5. Save and close the reader editor. The keypad scramble feature appears when you activate the keypad.
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