Denso 400BW-CE User Manual page 127

[4.5] LCD and indicator LED tests
C(CLEAR) key ⇑ ⇓ ENT key
C(CLEAR) key ⇑ ⇓ ENT key
C(CLEAR) key ⇑ ⇓ ENT key
Selecting "5:DISPLAY" on the Hard Test menu calls up the test
pattern shown at left on the LCD and turns on the indicator LED in
blue.
Each time the ENT key is pressed, the screen shifts to the next test
pattern. To return to the previous screen, press the BS/SP key.
To stop this test while in progress and return to the Hard Test menu,
press the C(CLEAR) key.
As shown at left, everything disappear and the indicator LED lights in
red.
The checker pattern shown at left appears and the indicator LED goes
off.
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Chapter 2 Getting Started the BHT and System Menu