Otto Bock E-MAG Active 17B203-L Instructions For Use Manual page 40

Preparation for use
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Secure the casing on the upper part of the orthosis. The E-MAG orthotic joint is ready for operation after fully char­
ging and inserting the battery.
5.3 Working instructions for electronic components
5.3.1 Control electronics
The electronic control unit measures the position of the orthosis during the gait cycle and unlocks the orthotic joint
prior to toe-off. Prior to heel strike at the end of the swing phase, the orthotic knee joint is locked in the extended
position so the patient can step down safely. In order to determine the optimum activation point of the orthotic knee
joint for the patient, the electronics are equipped with an auto-calibration feature. This must be activated by the
O&P professional during the initial patient fitting. A further helpful feature is the test mode, which provides acoustic
feedback on joint activity during walking so the O&P professional can determine the settings.
Two switching options are available to the patient. The patient activates/deactivates the sitting and locking function
with two separate buttons.
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(Service) button
for test mode/
acoustic mode
5.3.1.1 Power-on self test – initial battery installation
After all cables are connected, the battery can be inserted. The contacts have to face up and in. In order to do so,
insert the battery into the receptacle at an angle and press it against the orthosis. One can hear the battery lock
into place when it is properly inserted.
This initiates the system self-test, which runs each time the battery is inserted. Three 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.
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Secure the cover on the E-MAG orthotic joint using the
screws.
Button to lock
the knee joint and
for calibration
(Service) button for
auto-calibration
Button to
unlock sitting position
and for calibration
17B203=* E-MAG Active