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The memory buttons are labeled
ear. When test results are stored in memory, the RIGHT STORE or LEFT
STORE message (see Figure 7A) appears momentarily on the LCD.
Then the tympanogram which has been stored reappears along with the
right
or left
R
that memory.
2
GR
1.0
A
1
0.5
GR
C
0
-400
-200
0
200
PRESSURE - daPa
R
TEST
L
Figure 7
Displaying Memory Contents
Information stored in memory may be recalled at any time by depressing
the appropriate memory button.
Erasing Memory Contents
There are two ways to erase memory contents:
• When a test is stored, the previous test is automatically erased.
• Depressing either the right
three seconds erases that memory.
Understanding the Liquid Crystal Display
(LCD) and Its Messages
The following messages may be displayed on the LCD during MicroTymp 2
Handle operation:
Gradient (Width) Measurements
When a tympanometric tracing is complete, the MicroTymp 2 measures
the gradient or width of the tympanogram. If the gradient is abnormal, an
asterisk will appear on the LCD under
years of age), or
information, see Appendix A, "Guidelines for Tympanometry", and Appendix
B, "Guidelines for Screening".
symbol (see Figure 7B) to indicate the contents of
L
R
GR
for the child's ear (10 years of age or younger). For more
C
for the right ear and
R
1.0
0.5
0
-400
-200
0
200
PRESSURE - daPa
Figure 7A
or left
memory button for more than
L
GR
for the adult's ear (greater than 10
A
8
for the left
L
2
GR
1.0
A
1
0.5
GR
C
0
-400
-200
0
PRESSURE - daPa
Figure 7B
L
2
GR
A
1
GR
C
200
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