Denso BHT-8000 User Manual page 84

[5.3] Beeper scale test
[5.4] Aging test
Selecting "3:BEEPER" on the TEST menu calls up the screen shown
at left and makes the beeper sound at three octaves listed below.
Upon completion of this test, the BHT automatically returns to the
TEST menu.
To stop this test while in progress, turn the power off.
Scale
do
re
mi
fa
sol
la
ti
Selecting "4:AGING" on the TEST menu proceeds to the aging test
while showing the current date and time on the LCD. (This test is
intended for personnel which check the BHT in the factory.)
Once this test is selected, the automatic powering-off function
becomes disabled. Be sure to turn the BHT off or press the C key
to return to the TEST menu.
Frequency (Hz)
523 1046
587 1174
659 1318
698 1396
783 1567
880 1760
987 1975
68
2093 4186
2349 -
2637 -
2793 -
3135 -
3520 -
3951 -