13
Figure 4. Display of Threshold
The threshold may be cleared (Clr) by pressing key “ ” (e.g., to retest a threshold).
Only the currently-displayed threshold is cleared.
The test ear, signal mode, starting frequency and starting level are all user
selectable, so these values may differ from the ones shown. The example shown
indicates that a threshold of 20 dB has been obtained for the right ear at 1000 Hz.
Manual Audiometry Key Functions
Table 2
lists the functions of keys that are active in the manual audiometry mode.
The second column indicates the action of the function keys.
Table 2. Manual Audiometry Key Functions
{
◄
}/{
►
}
Select next lower/higher enabled frequency (Hz)
{
▲
}/{
▼
}
Increase/decrease level by current step size (dB)
{ }
Auto
Exit manual test mode and enter automatic test mode
{ }
L/R
Toggle between Left and Right ear
{ }
Send Send the test data to computer or printer
{ }
Clr
Clear the current threshold
{ }
Talk
Exit test mode and enter talk over mode
{Menu}
Exits manual test mode and enters the menu system
F r e q u e n c y 1 0 0 0 H z
L e v e l 2 0 m d B
E a r R i g h t
A u t o L /
R
S e n d C l r T a l k