CASIO SF-8350
Service Manual

5. Buzzer check TEL key : Key input sound every 1 second Business card key : Sound alarm 1 MEMO key : Sound alarm 2

BUZZER

1 BEEP 2 ALARM 1 3 ALARM 2

EXECUTING !

Sound can be stopped by pressing the any key. While an alarm is sounding the screen display is as shown at left. If an irregularity is found in voltage of battery while the alarm is sounding, the alarm will stop. After 256 seconds, the alarm will stop automatically.

6. SB-60/SB-62 cable interface check The TEL to SCHEDULE keys are used to select mode; the CALENDAR, HOME TIME and WORLD TIME key are used to set the transmission paraments. The three charactors that appear on the right side at display represent the parameter. In the case of the exampledisplay, it indicates 7 BIT, NON PARITY, 9600 BPS. The operation continues until stopped by pressing the ESC key and then pressing the ON key for all modes. DISP CHNG key : Return to menu mode TEL key : Transmission mode. The data of transmission is "H"and it is sent out by the data of &H34 and &H38 by the Xon/Xoff control. Business card key : Reception mode. Make sure to set the parameter to match that of the transitting side. The data received appears on the display. MEMO key : Loop back test. Short the Tx and Rx terminals for this test. Transmit and check from &H20 to &H7E. When complete, the message 'CHECK COMPLETE' is displayed. SCHEDULE key : output the following ASCII code by Xon/ Xoff control. !"#*+,-/0123456789: ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz A line end code is added with each line.

I/F

1 TRANSMIT 2 RECEIVE 3 LOOP 4 ASCII 7N9

Parameter

EXECUTING !

CALENDAR key : Switch the data length 7 bit(7) or 8 bit(8) HOME TIME key : Switch the parity bit : NON(N)�EVEN(E) �NON(N) �ODD(O) WORLD TIME key : Switch the transmission speed : 9600(9)�4800(4)�2400(2)�1200(1) To communicate two machines, please set the transmission machine before setting the receiving unit. To release communication, press ESC button. In this case, the break code is sent to receive units. Therefore, both machines display "TRNS BREAK !" and communication will be stopped. Also, if the error is occurred, both machines display "TRNS ERROR !" and communication will be sttoped.
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