Denso BHT-904B User Manual page 120

BHT-904B/BHT-914B
4.
Press the ENT key.
A 1-dot frame is displayed around the screen and the LED is illuminated
in blue simultaneously.
Press the Backspace/clear key to return to the previous scre
Press and hold the Backspace/cle
Backspace/clear keys simultaneously to return to the TEST menu.
5.
P ress the ENT key.
The beeper sounds once, and the display returns to the TEST menu.
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en.
ar key or press the SF and