9
Jul. 2019 E-X30
Function Buttons
When entered, the LCD will show the following image:
fig.test-button.eps
Testing procedures:
Check the buttons strictly in the order form left to right, up to down, as indicated by the arrowhead in the image below.
Press the first button in this sequence to start testing the function buttons. At the same time, the LED of next button that is to be tested will be lit.
Pass: hear a pass tone.
Fail: hear a fail tone.
fig.test-button-order.eps
Data Dial
When the function button test is finished and passed, it will 
automatically start the Data Dial test.
When entered, the LCD will show the following image:
Testing procedures:
1. Rotate the data dial clockwise to increase the value.
Pass: when the value increase to 10, hear a pass tone.
fig.test-dial-plus.eps
2. Rotate the data dial counter-clockwise to decrease the value.
Pass: when the value decrease to 0, hear a pass tone.
fig.test-dial-minus.eps