8.0 Test of LEDs visualizations
8.1 Preface to the Test of LEDs
Find the score
model among those shown in Chapter 9. Please note that each group of 4
LEDs (segment of digit or light point) is identified by one of these letters: A, B, C, D, E, F, G, H.
You can make 3 different types of tests:
1. Rows Test . Useful to turn on all the groups of LEDs identified by the same letter.
2. Columns Test.
a digit at a time.
3. Total
Test.
8.2 To access the function of LEDs test:
1. Turn on the scoreboard.
2. Press the [PROG IN-OUT] key continuously
. On the console display will appear
the text:
Language, Lingua, Langue, etc.
3. To enter the
Test press once the [NEXT] key. All groups of 4 LEDs identified by the letter
"A" have to turn on. Then, by pressing the [+] key, the LEDs of letter B" will turn on; by pressing
continuosly the [+] key, also the LEDs identified by letters C, D, E, F, G, H, will turn on. Use the
[-] key, to return to the previous visualizations.
4.
press the [NEXT] key again. Use the [+] and [-] keys to turn on
the different digits. Together with a digit can be turned on also a light with the letter H.
5.
the t
[NEXT]
. ALL LEDs have to turn on. This test,
useful for checking that there are no LEDs turned off, is not able to identify any troubles of wrong
lightings.
6. Press the [NEXT] key again to end the test.
board
Useful to completely turn on
lighting
Useful to verify the turning on of all LEDs.
for 2 seconds
Rows
"
To enter the Columns Test
at a
time
To enter
otal lighting test press the
key again
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