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3-3 D-(c) Test Key Board
1. Press 2 key on key board.
2. Press any key you want on the key board.
3. Already pressed key will be showed on the LCD screen that
the position of key pressed with a black square and key code.
4. Turn the mode key to any position to finish this test.
3-3 D-(d) Test Mode Key
1. Press 3 key on key board.
2. Turn the mode key to any position.
3. The corresponding Mode name will be showed on the LCD
screen.
3-3 D-(e) Test RS232C
1. Install the serial loop back test jig. (Short "pin 2,3" and "pin 4,6" of DSUB connector)
2. Press 4 key on key board.
3. Press 0 key on the key board. (0= Loop Back Test for RS232 Port#1)
If error occur, the message (PORT#1 TEST N.G) is displayed on LCD and the Buzzer beep. Then Press "C" key.
4.Press 1 key on the key board. (1= Loop Back Test for RS232 Port#2)
If error occur, the message (PORT#2 TEST N.G) is displayed on LCD and the Buzzer beep. Then Press "C" key.
5.Press 2 key on the key board. (2= Loop Back Test for IRC)
The message (TEST IRC OK) is displayed on LCD.
Note: When the ports is no connection or the cable is open, the Error occur.
SAM4S ER-650 SERIES
3 Installation and Operation
TEST KEY BOARD
54
Figure3-10 Key Board Self Test
TEST MODE
MODE : REGISTER MODE
Figure3-11 Mode Key Self Test
3-7
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