Fluke Biomedical Cufflink User Manual
Page 55

Operation
Utility Functions
2
2-27
Table 2-8. Speaker Tests and Adjustments
Parameter Procedure
440 Press
F1; the speaker produces a 440 hertz, 500 millisecond tone
Adjust Play
Press F2, the speaker produces a tone determined by the settings determined by
the Adjust Frequency and Adjust Period values (see below for description)
shown in the center of the display.
Adjust Freq
Press F3; the cursor moves to the Adjust Frequency value. When the cursor is at
this position, the frequency of the Adjust Play tone may be modified. Use the Up
or Down arrow keys to change the value. The Left and Right arrow keys have no
effect on this function. Change the value of the frequency and then press F2
(Adjust Play) to hear the difference in the pitch of the tone. As the value of the
frequency increases, so does the pitch.
Adjust
Period
Press F4; the cursor moves to the Adjust Period value, displayed in milliseconds
(ms). When the cursor is at this position, the length of the Adjust Play tone may be
modified. Use the Up or Down arrow keys to change the value. The Left and
Right arrow keys have no effect on this function. Change the value of the period
and press F2 (Adjust Play) to hear the difference in length of the tone. As the
value of the period increases, so does the length
Sweep Press
F5; the speaker produces a long tone of various frequencies, starting with a
low frequency (pitch), gradually increasing to a higher frequency, then returning to
the low frequency from which it began.
3. To exit the
Speaker Test
option, press the
Esc
key.
Display Test
The Display Test verifies the operation of the Analyzer liquid crystal display by writing
(displaying) a series of test patterns to the display. Any sections of the display that are not
functioning correctly become apparent during this test.
To carry out the Display Test:
1. On the
System Utilities
screen, highlight the
Display Test
option and press the
Ent
key. The
Display Test
screen displays.
2. Test the various parameters as desired, according to the instructions in Table 2-9.