Denso BHT-904B User Manual page 118

BHT-904B/BHT-914B
[3] Beeper scale test
Use the following procedure to perform a beeper scale test.
1.
Select "3: BEEPER" at the TEST menu and then press the ENT
key.
The screen displays as shown on the right, and the beeper sounds at the
three octaves listed below.
U pon completion of this test, the BHT automatically returns to the TEST
menu.
T o stop the beeper scale test while in progress, turn the BHT OFF.
Scale
do
re
mi
fa
sol
la
ti
[4] Aging test
U se the following procedure to perform an aging test.
1.
S elect "4: AGING" at the TEST menu and then press the ENT key.
T he aging test begins and the current date and time display on the
s creen.
(T his test is intended for personnel responsible for checking the BHT at
th e factory.)
The Auto OFF function is disabled during the aging test. To
 Point 
abort the test, press the Backspace/clear key to return to the
TEST menu, or turn the BHT power OFF.
104
Frequency (Hz)
523 1046
587 1174
659 1318
698 1396
783 1567
880 1760
987 1975
2093 4186

2349

2637

2793

3135

3520

3951