5
6.2: Escape Mode
In escape mode the range of distance is reduced to 1,7 meter (2 yds). The
escape mode will help you to identify openings or passageways (e.g. a
doorway in a solid wall). To change to the escape mode, press key 2. Ray will
confirm the change of modes with 2 beep sounds followed by 2 short
vibrations.
If you like to swap to the normal recognition mode again, press key 2. Ray will
confirm the change with 1 beep sound followed by 1 short vibration.
7: Light probe
Ray can also be used as a light probe. A small light sensor is located between
the two ultrasonic sensors. To detect sources of light, press and hold key 2
while swaying the device about the room. Ray will then inform you about the
intensity and proximity of the source of light emitting acoustic or tactile signals.
As soon as you release the key, Ray will go back to the recognition mode.
8: Trainer pupil mode
Ray enables mobility trainers to connect their device to the one of the student,
in order to receive the exact same signals as the student. They will then be
able to support the student with the necessary information and feedback.
The connection between the student’s device and the trainer’s device is only
possible if the student’s device emits tactile signals (vibrations). The student
will need to change his device to the “student mode”. To do this, switch the
device off. Then press and hold both keys and keep both keys pressed, until
you hear the melody of a German folk song followed by one vibration. Release
the keys and your device is now set to the student mode.
The trainer will then need to change his device to the “trainer mode”. To do so,
switch the device on by pressing and holding both keys. Keep both keys
pressed, until you hear the Beethoven melody (which follows the German folk
song) followed by two vibrations. Release the keys and the device is now set to
the trainer mode.
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