3] beeper scale test, 4] aging test – Denso BHT-7500 User Manual
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Chapter 2. Getting Started the BHT and System Mode
[5.3]
Beeper scale 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 automati-
cally returns to the TEST menu.
To stop this test while in progress, turn the power
off and on.
[5.4]
Aging test
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 pow-
ering-off function becomes disabled. Be sure
to turn the power off or press the C key to
return to the TEST menu.
Scale
Frequency (Hz)
do
re
mi
fa
sol
la
ti
523
1046
2093
4186
587
1174
2349
-
659
1318
2637
-
698
1396
2793
-
783
1567
3135
-
880
1760
3520
-
987
1975
3951
-
TEST BEEPER
TEST AGING
DATE 00/03/01
TIME 15:30:00