IDTECK iTDC User Manual page 7

In the case of RS422 communication
1.2 Please check if the communication address is good.
Check communication address setting of software and the device.
1.3 Please check if the communication port setting is good.
1.4 Please check if the termination resistor is connected.
1.5 Please check if the device is grounded well.
2 When turning on the device, Date / Time is not displayed on the LCD and special
characters are displayed.
2.1 This may happen when the device is not initialized. Please initialize the device.
3 When configuring the device using MASTER ID, suddenly the device goes back to the
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normal mode.
3.1 If you do not input anything for 60 seconds in setting mode, the device goes back to
the normal mode.
4 The device does not go to setting mode after inputting MASTER ID.
4.1 A MASTER ID may have changed.
5 The device work well with RF Card, but does not work when inputting card number.
5.1 Please check if Keypad is set to "ENABLE".
6 When the device have read a card, the device does not response or a different card
number appears.
6.1 Please check if a reader is good.
6.2 Please check if wiring between a reader and the system.
6.3 Please check if software settings are good.
6.4 Remove noise.
7 A registered card is not authenticated.
7.1 Please check output setting of the device.
13 FCC REGISTRATION INFORMATION
14 RMA Request
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p.vii
iTDC
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