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D-0126050 rev 1 - 270+ Operating Manual
4.7. MENU
4.7.1. GENERAL
The MENU contains the system settings as well as the data processing options.
• The CONFIGURATION (F1) submenu contains general instrument and test settings regarding the
audiometric tests.
• AUTO contains all settings related to auto-test (F2)
• Data can be saved and re-loaded for review, to be printed or sent to the PC software (F3)
• The current reviewed measurement can be printed (F4)
Within each setting, using the softkey F3 (NEXT) or the Channel 1 rotary control allows the operator to step
through the options and modify the settings as required. Pressing the softkey F4 (SAVE) exits the option menu
and saves the settings.
4.7.2. CONFIGURATION
In CONFIGURATION the instrument settings can be modified. Use F1 and F2 to change the current selected
setting and use F3 (NEXT) to move on to the next setting. Select SAVE (F4) or the MENU button again to
leave the menu with the latest changes stored.
Select the time that a stimulus can sound when the PRESENT key
is pressed; either continuously while the present button is pressed
or for 1.0-2.0 sec.
The units displayed for freefield speech can be shown in dBHL and
dBSPL.
When yes is selected, the line-in signal will be amplified. It is
important to note that distortion can happen, when amplifying the
test signal more than necessary.
Selects the headset (Phones) or the optional insert masking
earpiece (Insert) as the means of masking.
In the case that several transducers are available (e.g. DD45 and
IP30), select the headset required.
This option is only available if DD45 is the selected headset; if
activated, free-field equivalent levels will output to the headset in
speech mode.
This option provides access to the freefield calibration function;
refer to Appendix 2 for details.
Enables the operator to set either 1, 2 dB or 5dB as the default step
size.
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