Radiation Release; Key Switch - Siemens ARCADIS Varic Operator's Manual

System Description
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Radiation release

Radiation can be released with the hand switch or the footswitch.
Complete image integration as a function of the set k factor (up to max. k = 8,
depending on the operating mode) is ensured even for very short exposures
("toe tapping").
k factor: a number of k exposures are integrated into one image; the k factor can
be selected between k = 2 and k = 32 and can be assigned to an exam set and
stored (IEC 60601-2-7:1998 29.1.103 d).

Key switch

To ensure that radiation is released by authorized personnel only, the C-arm in-
cludes a key switch.
The key switch is located on the left side of the C-arm (viewed from the direction
of travel).
Prior to releasing radiation, turn the key switch to the right until it is horizontal.
– Radiation now can be released either with the hand switch or the foot-
switch.
Return the key switch back to its original position.
– Radiation can no longer be released with either the hand switch or foot-
switch.
– The key can now be removed.
Operator Manual
SPR2-310.620.30.02.02
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