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f) PANEL TEST
1)
2)
3)
Press ~]
+ FU].
(over 1sec.)
(Refer to Page 25)
Press ml
5-times.
Press ~.
The whole LCD and all LED will be turn over, and 2
times of the beeping tone will be heard.
4) Press Keys according to the contents of display. All keys
on the panel will be displayed in sequence.
5) Pressing -1,
SFX-30 returns to stand-by.
g) SELF CHECK
1)
2)
3)
Press ~]
+ ml.
(over 1sec.)
(Refer to Page 25)
Press m)
6-times.
Press ~.
SELF CHECK is carried
out in accordance
with the
following order.
1. GATE ARREY 1/0
*R/W
check of BUS lines of the port
2.
3.
(Check the connection
of BUS lines to the GATE
ARREY)
MODEM Check
*Check the cycle of 9600 and 300BPS.
(Check OSC. of XTAL3 and connection
of the INT
for clock)
*Check DREQ cycle of 9600BPS.
(Check the switchover circuit relies on INT)
*Check
the receiving
signal
frequency
which
is
looped back of1100Hz
transmitted.
(For checking analogue circuit of Tx and Rx)
MUSIP Check
*Check SH cycle
(Check the connection
of INT4)
*Execute the scanning operation.
(Check the connection
of INTO)
INITIAL
SET
?
1
.—
PANEL
TEST
?
II
LCD,
LED,
BUZZ ERII
I
[STOP]
I
II
NIT
IAL
sET
7
I
w
IS ELF
cHEc
K
7
I
1
T
SELF
CHECK
2
T
'"
I
—28—
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