3. MAINTENANCE, TROUBLESHOOTING
3-7
3.5.4 Automatic Test
The [AUTOMATIC TEST] conducts a brief test on the LCD, keyboard (SC-702) and
memory (SC-701, SC-702 and SC-703).
This saves you the time it takes to conduct each test individually. If an error is detected
during any of the automatic tests, the test stops. Check the item in question and con-
sult your dealer if necessary.
The [AUTOMATIC TEST] does the following in numerical order:
1) Displays the PC board version numbers and program version numbers for the dis-
play unit, junction box and the connected antenna. Results are displayed for ap-
proximately five seconds, then step 2 is initiated.
2) Tests RAM/ROM and data input/output. (See section 3.5.1.) Results are displayed
for approximately five seconds, then step 3 is initiated.
3) Tests the SC-702 keys. (See section 3.5.2.) Proceeds to step 4 if no key is pressed
within five seconds.
4) Tests the LCD. (See section 3.5.3.) Displayed test screens changes after two sec-
onds until the “checkered flag” screen appears. Proceeds to step 5 if no key is
pressed within five seconds.
5) Tests screen brilliance. Press the BRILL key to cycle through the brilliance set-
tings in the following order:
Repeats the tests from step 1 if no key is pressed within five seconds.
To exit this test, press the MENU ESC key.
Note: The SC-70/SC-130 continues data output while this test is active.
3.5.5 Sound test
Use the sound test to check the buzzer. Press S or T to change the buzzer’s sound
frequency.
The frequency range is 1400 (Hz) to 1850 (Hz).
Note: The settings used for the sound test are not saved.
Maximum brilliance Medium brilliance Minimum brilliance
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