CS2X
21
A. HOW TO ENTER THE TEST PROGRAM
Turn on the CS2x power switch while pressing the [-],
the [+] and the [ENTER] switches simultaneously.
The CS2x will indicate that it has entered the test
program by displaying the following message.
Test Mode
##.##
After a while the following display will appear.
01 RAM
Use the PROGRAM [+], PROGRAM [-], [ENTER] or
[PERFORMANCE] switches to select the test number.
B. PROCEEDING THOUGH THE TESTS
When entering the test program, the following display
will appear.
01 RAM
Use the PROGRAM [+] and PROGRAM [-] switches to
select the appropriate test program, and use the
[ENTER] switch to be execut the selected test.
The PROGRAM [+] switch will select the test which
follows the current test.
The PROGRAM[-] switch will select the test which
precedes the current test.
The [ENTER] switch will execute the currently selected
test. If the test result is OK, the next test will be selected
and executed automatically and proceed sequentially.
The [PERFORMANCE] switch will cancel the execution
of the test and the CS2x will go back to the status before
the execution.
C. TEST SELECTION WHEN AN ERROR IS DETECTED
In each of the tests, if an NG (No Good) error is detected,
pressing the [PORTAMENTO] switch will make the
CS2x wait for a test number to be entered. You can then
retry the test or perform another test.
D. INITIALIZING
Turn on the power switch of the CS2x while pressing
the [7], the [8] and the [9] switches. The CS2x will
initialize the memorized data.
T1. RAM READ/WRITE TEST
01 RAM
Perform a read/write/verify test of RAM.
DISPLAY OF THE RESULTS
OK 01 RAM
OK
NG 01 RAM
NG
TEST END
This test ends after displaying the result. All RAM data
is preserved.
T2. RAM BACKUP BATTERY TEST
02 BATTERY
This test checks if the voltage of the RAM backup battery
is greater than 2.8 V and less than 3.5 V.
DISPLAY OF THE RESULTS
OK 02 BATTERY
OK
NG 02 BATTERY
NG
TEST END
This test ends after displaying the result.
T3. LCD TEST
Check that all dots of the LCD blink ON/OFF.
TEST END
Press the [ENTER] switch to end this test, and the test
will then proceed to the next test.
T4. PANEL SWITCH TEST
04 SW LED
Scen2
Press the panel switches consecutively from the [Scen 2]
switch to the [Rotary 6] switch, according to the order
indicated on the LCD.
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