Chapter 4 Sound Prompt and Indicator
Aer the card reader is powered on, LED status indicator will turn green and ashing for 1 me.
Then it will turn red and ashing for 3 mes. At last the buzzer will send out a beep sound
indicang the starng up process is completed.
When using the card reader, it will send out dierent sounds prompt and the LED indicator on it
will have dierent statuses. You can refer to tables below for detailed informaon.
Table 4-1 Descripon of Prompt Sound
Sound Prompt Descripon
One Beep Presenng card prompt
Pressing keys prompt
Prompt of pressing key for too long me when inpung card
No.
Time out prompt for pressing keys or presenng card.
For authencaon: prompt for entering the password aer
presenng the card.
Two Rapid Beeps The operaon of pressing keys or swiping card is valid.
Three Slow Beeps The operaon of pressing keys or swiping card is invalid.
Rapidly Connuous Beeps Prompt for tamper-proof alarm.
Prompt for buzzer alarm.
Slowly Connuous Beeps The card reader is unencrypted.
Table 4-2 Descripon of LED Switch
LED Indicator Status Descripon
Flashing Green for 1 Time and
Flashing Red for 3 Times
The card reader is power on.
Flashing Green For Card + Password authencaon: prompt for entering the
password aer presenng the card.
Solid Green for 2 s The operaon of pressing keys or presenng card is valid.
Solid Red Card reader is working normally.
Flashing Red for 3 Times The operaon of pressing keys or presenng card is invalid.
Flashing Red For RS-485 protocol: Registering failed or card reader is oine.
DS-K1109 Series Card Reader User Manual
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