Operation Manual MA 25/MA 25e
MA 27/MA 27e
5.6 Screens
5.6.1 General
Figure 15 shows the main screen. See the explanation of the screen areas below.
Tone: A tone presentation indicator is provided in the top left corner of the screen.
Tone is presented (turned on).
Tone is not presented (turned off).
5.6.2 Response (Patient Response Switch required)
When using the patient response switch, a response is indicated in the middle of the
screen header.
Patient response switch is being activated (pressed).
Patient response switch is not activated (not pressed).
5.6.3 Powering of Device Icon
MA 25/MA 25e
The icon will change depending on whether the instrument is powered via an external
source (power supply or USB connection to computer) or batteries.
The device is plugged into a power source.
When powered by batteries, the battery icon will change
depending on the battery power level.
When batteries are running low the screen will read Low Battery
and flash (Figure 16).
Figure 16
NOTE: The Power Off settings of the instrument can be adjusted at different time
intervals or set to never power off. See section 5.8 for more information.
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