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4.1.1 Power-on self test – initial battery installation
After all cables are connected, the battery can be inserted in order to initialise the E-MAG
Active (Figure 55).
This initiates the system self-test, which runs each time the battery is inserted. Two different
audible signals may be emitted:
1. If the joint is locked when the battery is inserted, the system reports "OK" by briefly illuminating
the LEDs and with a short rising tone.
2. If the joint is open, the green and white LEDs flash and you will permanently hear an alternating
tone (tone, pause, tone). Once the joint is extended, the system reports "OK" as described
under 1.
3. Sensor error. Continuously illuminated (red) and continuous sound. Please remove and then
reinsert the battery.
4.1.2 Initial walking in test mode (figure 56)
Initial walking attempts should definitely be made between parallel bars or at least with the help
of crutches. In order to make the joint easy to unlock, test mode can be activated so that the
system does not look for an optimised setting but opens the joint in a defined toe-off position
(provided the patient's knee joint is extended).
1. Press the T button for at least 5 seconds until the system reports that it is ready.
2. The patient takes a step forward to simulate heel strike. The technician pushes the
button B. Confirmation is indicated by a white light and low-high tone.
3. The patient takes a step back to simulate the end of the stance phase, i.e. shortly before
toe-off. The technician confirms by pushing the
indicated by a white light and low-high tone.
In parallel to controlling the joint, switching processes of the electronics are also confirmed
by an audible tone.
These settings are not saved and are intended for test purposes only!
INFORMATION
4. Test mode is deactivated by removing the battery.
E-MAG Active
55
button C. Once again, confirmation is
lower
upper
Ottobock | 61
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