Denso BTH-300BW User Manual page 99

[5.3] Beeper scale test
[5.4] Aging test
On the TEST menu, selecting "3: BEEPER" 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 BHT off.
Scale
do 523
re 587
mi 659
fa 698
sol 783
la 880
ti 987
On the TEST menu, selecting "4: AGING" 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. To terminate this test, press the C key to return
to the TEST menu or turn the BHT off.
84
Frequency (Hz)
1046 2093
1174 2349
1318 2637
1396 2793
1567 3135
1760 3520
1975 3951
4186
-
-
-
-
-
-