PRT-KLCD Protege Alphanumeric LCD Keypad User Manual | April 2011 9
2.2 Visual Display
The Protege LCD keypad features a rich 32 Character LCD (Liquid Crystal Display) showing customised
messages. All messages are shown on the LCD display screen.
2.3 Audible Tone
When you press a key on the Protege LCD keypad a short audible tone is generated. Other tones are generated
when certain functions are used, you should be familiar with the following audible tone outputs.
Confirmation Tone
When an operation is successfully completed on the keypad the keypad generates a series of four audible tones.
The display will also show the success or failure of the operation.
Rejection Tone
When the system times out or when an operation is incorrectly entered on the keypad, it will generate a
continuous audible tone for three seconds.
If required the audible key press tone can be silenced by pressing and holding the [CLEAR] key for 3
seconds. This option must be enabled by your security professional or system administrator.
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