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Siemens-Elema AB Register 6 SPR8-215.850.02 Page 1 of 2 MOBILETT Plus/ Plus E
Solna, Sweden Rev. 01 01.02 SPS-UD
Preparation and exposure release 12
The block diagrams and the wiring diagram X037E, sheets 120, 130, 140, 150 and 160
are the basis for the functional description given below.
When the unit is switched on the initialization routine and charging of the capaci-
tor bank, M1 starts and the green ”ready” LED on the Control and display panel
is turned on.
The unit is ready to operate!
The user can now freely select the exposure parameters with the selection buttons ”kV+”,
”kV -”, ”mAs+” and ”mAs -” to meet the requirements and the appropriate limiting values of
the examination.
Following alignment of the central X-ray beam and definition of the area to be X-rayed by
the multileaf collimator onto the target object, the exposure can be prepared and
released.
Exposure preparation 12
The primary contact in the exposure-release switch is first closed. This initiates
the following functions:
1. switches off the preheating,
2. switches on the exposure heating,
3. starts the two second rotating-anode acceleration,
4. if the anode frequency after acceleration is >147
1
Hz, the buzzer on board D3
generates three beep tones, and
5. the green ”ready” LED on the Control display panel is turned on.
1. 142 Hz if FW version lower than 1.5 or 1.5E.
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