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return to the higher menu level, holding it down for a few seconds. The various manual tests are
described below.
6.1.1.1. I2C Devices Test
The I2C Device test checks the operation of the 32K and 256K memories. The test can have two
outcomes:
• “Test Successful, press Enter to continue” : Signifies that the transmission and reception of
data packets toward the display board was completed successfully.
• “EEPROM Error, press Enter to continue”: Signifies that the display board has
communication problems with the memories.
6.1.1.2. LED Test
The LED test checks the functioning of the display by lighting all the LEDs in the matrix. It also
tests the buzzer by changing the frequency to produce a variation in the tone of the sound.
There is no message displayed concerning the outcome of this test, which the user must therefore
check visually.
6.1.1.3. Serial Ports Test
The serial ports test checks the communications on the port for connecting to:
• CSafe COM test
• Low Kit COM Test
• TGS COM test
Using the + and – effort level keys, select the desired test item and confirm by pressing ENTER.
The test can have two outcomes:
• “Test Successful, press Enter to continue”: This means that the test was completed
successfully, i.e. that the communications on the selected serial port are correct.
• “COMx Error, press Enter to continue”: This means that the outcome of the test was
negative: the message will specify COM1 in the case of the CSafe COM test, COM2 in the case
of communications with the low kit, or COM3 in the case of the TGS COM test.
6.1.2. MANUAL TEST
This section groups together tests for manually checking the operation of certain peripheral devices.
After selecting the desired test using the + and – effort level keys, press ENTER to initiate the test
and then await the result. To exit test mode, hold down the CLEAR key for a few seconds.
6.1.2.1. Man. Keyboard Test
The manual keyboard test checks the functioning of all the keys on the keyboard. After accessing
the test by pressing ENTER, the message “Press all buttons (beep=OK)” appears on the display.
Pressing each key will produce an audible signal, if a key does not produce the “beep” it means it is
not working properly.
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