### Data Set B

#### Used for tomo

no = no tomo functions active

yes =- must be set if any 'Mounted tomo extension' is programmed at 'RGDV Data Set A' (tomo time input active only in combination with option Automatic input of tomo times 9890 000 0222x)

- must be programmed in connection with a Bucky TH, TH2, Digital Diagnost with TOMO, which gives access to the 16 tomo times (11 only Digital Diagnost) in the System (tomo time input only in combination with option Automatic input of tomo times 9890 000 0222x)

- if 'yes' is set exposure time +/- corrections are not possible at the control desk

#### Used for fluoroscopy

no = no fluoro possible

yes =- only possible in combination with ‘Release decade adaptation unit’ WB and if programmed in generator function key EZ139 D38, generator base must be R/F

- if fluoro is set to ‘yes’ the menu/APR field at the control desk line 1 column 2 is reserved to display fluoro parameters (kV, mA, time) and cannot be used for menu or APR names anymore

#### CT add on

for therapy simulator purpose, allows run times >= 16 seconds in continuous fluoroscopy mode, function not applicable

#### Disable time override

no = default, exposure time +/- selection possible at the desk if no tomo RGDV

yes = disables exposure time +/- corrections at the desk

if a RDGV is 'Used for tomo' = yes the time +/- corrections are automatically disabled

#### Tube power factor [%]

range = 1...100% of max filament kW, affects all filaments of the tube assigned to the RGDV

#### kV steps

kV values appear in-between the programmed limits kV_min and kV_max

Doseequivalent one 6% kV step equals one 25% density steps

values: 40 - 41 - 42 - 44 - 46 - 48 - 50 - 52 - 55 - 57 - 60 - 63 - 66 - 70 -
73 - 77 -81 - 85 - 90 - 102 - 109 - 117 - 125 - 133 -141 - 150 kV

Single = 1 kV steps in-between the programmed limits kV_min and kV_max

#### mAs steps

25 % (default) if film screen combinations with a sensitivity of

12 % 400 or higher are in use a 12% stepping should

6 % be programmed (for all RGDV)

#### mA steps

25 % (default) if film screen combinations with a sensitivity of

12 % 400 or higher are in use a 12% stepping should

6 % be programmed (for all RGDV)

#### time steps

25 % (default) if film screen combinations with a sensitivity of

12 % 400 or higher are in use a 12% stepping should

6 % be programmed (for all RGDV)

#### Density steps

25 % all RGDV should get the same density step factor

12 % (default) (and should also be equal to generators next door)

6 % (SCP and MedioCP steps are always at 12%)

The density correction displayed at the desk only shows e.g. -1 or +2. This -1 or +2 can stand for (a) step(s) of 6%, 12% or 25%. All RGDV's (and all systems in the same hospital) should have the same correction factor to get the same result when used. More explanation in 'Change APR Data Set'.

#### Density correction (6% steps)

range = - 8 ... + 8 steps (see steps)

- For individual stand or other registration device related corrections

No correction should be programmed before the site specific film-screen combination densities in the ‘Dose Rate Control’ part have been adjusted.

#### Underexposure display (non automatic techniques)

yes The incorrect exposure indicator is blinking at the control desk to indicate that an exposure has not been terminated by the generator (FU_mA controls all non-AEC techniques kV-mAs, kV-mA-ms, kV-mAs-ms),
e.g. if

- the hand-switch has been released prior to the set exposure time

- the sweep time switched by the tomo table is shorter than the programmed exposure time

- the exposure switch is bouncing.

Preferred setting for CAN connected tomo systems BuckyTH, TH2, Digital Diagnost, Bucky units attached to Easy Diagnost systems to get the underexposure display on in case of system problems or if customers let go the exposure position of the handswitch too early

no ‘no’ must be programmed for all non-CAN controlled tomo systems:
Times switched by a tomo stand might be shorter than the programmed APRT time, ready disappears and the stand will stop.

#### Tube overload protection

on (default), the tube overload protection is on, tube load reductions are active

traffic light status at control desk
LEDs | load factor [%] | tube temperature
Green | 100 | cold
green + yellow | 100 | warm
Yellow | 80 | medium hot
yellow + red | 64 | hot
Red | 0 | no ready for exposures 3mA fluoro possible

off MUST NOT be programmed for RADiographic or R/F sites !!!

As long as PREP has been started from yellow-red status EXPOSURE is possible with 100% load, even with red light on. PREP is not possible in red, ready disappears.