(only [value] fields can be modified)
The value must be programmed according to the max kV of the
tube (see tube label). If a tube arcs during adaptation the max kV value can be
reduced (or repeat the break in procedure, see doc INSTALLATION). After
adaptation the programmed value is the max value which can be selected at the
control desk (the adaptation table has no values beyond the limit kV value),
even if a higher value is programmed thereafter in this field. The kV value
with which the tube has successfully been adapted appears in 'Adapted To [kV]:'.
If a tube has been adapted with a higher kV than it should be used for (e.g.
max 100kV for veterinary surgeons) the limit must be programmed in this data
field afterwards.
The
middle focus would be a third physical filament in a tube (not yet available),
it is not the VARIO focus.
All
standard diagnostic tubes of the TUBE_R3.TDL tube file have a default min kV
value of 40 kV, it can only be modified in a range > 40kV.
If this value shall be increased, first the 'Max Tube Voltage Limit [kV]:' must be
increased. Then the tube has to be readapted afterwards to have the higher kV
available for application.
0.1
mA is the lowest current of the Optimus (fluoroscopy and TDC
only).
0.2 The
lowest mA value one can select at the control desk for exposures is 1 mA.
The kV dependent max mA value is automatically limited by
the tube type and the generator
version:
The max tube mA value is initially set by the tube data set
of the tube file and cannot be increased.
It will be adapted to the individual focus limits during
adaptation (within the total tube
limits),
the max mA table can be seen in 'Select Unit' >> 'FU_mA'
>>'Programming'.
If there is any application reason to decrease the max mA
value it is possible, but it will influence all registration devices attached
to this tube and might lead to problems, if additional reductions of the
emission current and tube power are programmed in the individual 'APR Data Set's and/or in 'RGDV Data Set B'. |