Welch Allyn MicroTymp® 4 Tympanometer User Manual
DIR 80024157 Ver A
Page 13
selected levels. Press the
►
key to confirm the selection or the
◄
key to cancel. (Note that
100dBHL at 4000Hz is not available).
R
EFLEX POLARITY
Use the
▲
and
▼
keys to choose whether the reflex traces are displayed as ascending (UP) or
descending (DOWN). Press the
►
key to confirm the selection or the
◄
key to cancel.
R
EFLEX FILTER
Use the keys to choose either 2Hz or 1.5Hz. The default of 2Hz is suitable for most circumstances.
However, if a smoother reflex plot is required for better interpretation 1.5Hz may be chosen.
Press the
►
key to confirm the selection or the
◄
key to cancel.
S
ET
T
IME
/D
ATE
Use the keys to enter the values for the date and time. Use the
▲
and
▼
keys to change the
values. Press the
►
key to confirm and save the selection or the
◄
key to cancel.
P
OWER
O
FF
D
ELAY
The Welch Allyn MicroTymp 4 will switch off automatically if no key is pressed for a specified
duration. Use the
▲
and
▼
keys to change this duration between 90 and 180 seconds and press
the
►
key to confirm and save the selection or the
◄
key to cancel.
LCD
C
ONTRAST
Use the
▲
and
▼
keys to change the contrast of the LCD screen; press the
►
key to confirm and
save the selection or the
◄
key to cancel.
R
EPORT
C
AL
D
ATE
The printout of the test results may include date of the instrument’s calibration. Use the
▲
and
▼
keys to select if the calibration date is printed or hidden. Press the
►
key to confirm and save
the selection or the
◄
key to cancel.
S
ET
D
ATE
F
ORMAT
The Welch Allyn MicroTymp 4 supports two different date formats. Use the
▲
and
▼
keys to
select either DD/MM/YY or MM/DD/YY and press the
►
key to confirm and save the selection or
the
◄
key to cancel.
H
OSPITAL
N
AME
The printout of the test results may include the hospital name (up to 19 characters). To enter
the hospital name use the
▲
and
▼
and
◄
and
►
keys to select the letter then press and briefly
hold the
►
key to confirm. To delete the last letter briefly hold the
◄
key. Once the name has
been entered highlight the # key then press and briefly hold the
►
key to save the name.
Highlight the # key then press and briefly hold the
◄
key to cancel.