Sharp PC7000A User Manual

11.4) Others
Parameters of each test program are entered through key 10
+ [[.,I J ] . When each test program is called, by pressing
[[ESC]], control exits to the LCD test menu IFigure LCD·
1 ).
12) Explanation of each test program
12.1) Check pattern
12.1.1) Outline
A checker is displayed on the L.C.D.
12.1.2) Operation
When this test is specified, display is started automatically.
Therefore, operation is not neeeded.
la) Test
la.1) Displayed pattern
As a pattern, all dots of the L.C.D are displayed; then, each
checker of 1, 2, 4 and 8 dots is displayed sequentially by
inversion.
Then, the initial display is returned.
(a.2) Interruption or termination of a test
While executing a test, if [[ESC]] is pressed, processing is
terminated and control exits to the LCD test menu (Figure
LCD·1); if [[F2]] is pressed;
"Test stopped by user."
is displayed to interrupt processing. Under this status, if
[[F1]] is pressed, processing is restarted, and if [[ESC]] is
pressed control exists to the LCD test menu IFigure LCD-lI.
12.2)
Line move
12.2.1) Outline
An ablique line is moved on to the L.C.D.
12.2.2) Operation
When this test is specified, display is started automatically.
Therefore, operation is not needed.
lal Test
la.1) Display pattern
An ablique line is moved from the upper left of the L.C.D.
to the right by each dot. and when it has reached the right-
most bottom, the screen is inverted, and a white oblique
line is moved in the same way.
When these
two displays are completed, the initial display is
returned. Then, processing is repeated.
(a.2) Interruption and termination of a test
While executing a test, if [[ESC]] is pressed, processing is
terminated and control exists to the LCD test menu (Fig.
LCD-lIlf [[F2]] is pressed;
"Test stopped by user."
is displayed to interrupt processing. Under this status, if
[[F1]] is pressed, processing is restarted, and if [[ESC]] is
pressed control exists to the LCD test menu IFigure LCD-1 I.
12.3) Stripe
12.3.1) Outline
A stripe is displayed on the L.C.D.
12.3.2) Operation
When this test is specified, display is started automatically.
Therefore, operation is not needed.
-9-
la) Test
la.1) Display pattern
PC-7000A
PC-7100
Displays of a patterns containing horizontal, vertical, and
each inversion are repeated on the L.C.D.
(a-2) Interruption and termination of a test
While executing test, if [[ESC]] is pressed, processing is
terminated and control exists to the LCD test menu Figure
LCD-1) isreturned.
If [[F2]] is pressed;
"Test stopped by user".
is displayed to interrupt processing. Under this status, if
[[Fll] is pressed, processing is restarted, and if [[ESC]] is
pressed, control exists to LCD test menu IFigure LCD-1).
12.4) LCD RAM test
12.4.1) Outline
Write/read test of display buffer is executed.
12.4_2) Operation
When this test is specified, the test is started automatically.
Therefore, operation is not needed.
lal Test
(a.1 I Address complement
After writing address offset into LCD RAM as data,
the system reads the data and compares them.
(a .2) March ing
After writing the fixed data into LCD RAM, the system
sequentially reads data and compares it.
(a.3)
Interruption or termination of a test.
While executing a test, if [[ESC]] is pressed, processing is
terminated and control exists to LCD test menu (Figure
LCD-1).lf [[F2]] is pressed;
"Test stopped by user."
is displayed to interrupt processing. Under this status, if
[[F1]] is pressed, processing is restarted, and if [[ESC]] is
pressed control exists to the LCD test menu (Figure LCD-').
When the following display appears at the bottom of the
screen, the test is terminated normally:
LCD RAM TEST OK ! !
When entering
either [[ESC]] or [[ ... ]] is entered,
control exists to the LCD test menu IFigure LCD-1).
(a.4) Error processing
When an error occurs while executing a test, the following
display appears:
"Address complement error!!" or
"Marching error!!"
and an address or data in which an error occurs is displayed
as follows:
V -RAM address location : Ox~~~~~
Write & Read data : O"~~~~/Ox~~~~

Sharp PC7000A Specifications

General

Brand	Sharp
Model	PC7000A
Category	Desktop
Language	English