Manual collimation mode
The manual collimation mode is activated when the user turns the key at the
backside of the collimator. The yellow indicator at front of collimator is lit and
an open key lock is displayed in the lower left corner of the collimator display.
Manual mode is used to set the collimation area larger than the size of the
cassette or detector, e.g. for detector calibration. The collimation field size is
not limited to cassette or detector size nor kept constant with changing SID.
Figure 58: Indication on the tube head display for manual collimation mode
152 | DR 400 | Radiographic Table and X-Ray Tube Stand
3231E EN 20210708 1530
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