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4-82
CHAPTER 4 SERVICE MODE
Figure 4-28
f)
Speaker test <6-6: SPEAKER>
This mode is for checking the speaker operation.
When 6 on the numeric keypad in the FACULTY TEST menu is pressed, the speaker
test is selected. In this test, a tonal signal is output from the speaker from 200Hz to
5kHz at 100Hz intervals. The sound volume is also switched. Check that the signal
sound is coming out of the speaker.
Figure 4-29
6-5 : STAMP
[1] - - - [2]
Press 1 on the numeric key pad
6-5 :
STAMP
Press 2 on the numeric key pad
6-5 :
STAMP
6-6: SPEAKER
FREQ:[1] VOL:[2]
Press 1 on the
numeric key pad
6-6: SPEAKER
FREQ TEST
6-6: SPEAKER
VOL[*]:MIN [#]:MAX
Press 2 on the
numeric key pad
Press the start key to change
the output frequency
It is possible to adjust the
volume of the signal sound to
the minimum by pressing *, to
the maximum by pressing #
and one level at a time by
pressing the start key
Summary of Contents for GP160
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