Sharp XE-A1BT - Page 17

5-6
3-10) SD card TEST
a. Test Procedure
With the above key operation, the SD-card test is started.
The status of SD card is displayed by real time.
When [TL] key is pushed, the test is completion.
CD: Card detected.
WP: Write protection
b. Display
<CD: No / WP: No >
<CD: No / WP : Yes >
<CD: Yes / WP: No>
<CD: Yes / WP: Yes>
c. Test result print
<CD: No / WP: No >
<CD: No / WP: Ye s >
<CD: Yes / WP: No>
<CD: Yes / WP: Yes>
3-11) RS232C LOOP BACK TEST (XEA147 only)
a. Test Procedure
Before turn the power on, connect the loopback test jig:
UKOG-6646RCZZ to RS232C port. And turn the power on then
set to [Z/PGM] mode then push [1] [1] and [PO] key, the RS232C
loop back test is started.
When stat the test mode, the machine checks the reading of input
control signal, at first.
< The control signal check >
The read check is that DTR and RTS changed in accordance with
following pattern then check the logic of DSR, DCD and CTS. In
this time, if the checked logic is same as following list, the test
result is OK. If not, it is displayed ‘ERROR’.
<Control signal check>
Output
Input
DTRn
RTSn
DSRn
DCDn
CTSn
OFF OFF OFF OFF OFF
OFF ON OFF ON ON
ON OFF ON OFF OFF
ON ON ON ON ON
< Data transfer check >
As a check data, the 256 bytes (from 00H to 0FFH) loop back
transfer is done. In this time the BAUDRATE setting is 38.4kbps.
< Completion of test mode >
Push the [TL] key, the test is finished then test result is printed out.
b. Test result print
When a test result is OK, following result is printed out
When a test result is NG, following result is printed out
NO.
CONTENTS
1 DTR-DSR
2 RTS-DCD
3 RTS-CTS
4 SD-RD(DATA)
3-12) ROM check (Japan only)
This test mode is not available without Japan model.
SD CARD
CD: NO , WP: YES
SD CARD
CD: YES , WP: NO
SD CARD
CD: YES , WP: YES
SD CARD
CD: NO , WP: NO
RS232C OK
RS232C NG---ERROR NO.XXX