AGFA DX-D 400 User Manual page 149

SECTION 7
7.1 START-UP ROUTINE
7.2 X-RAY TUBE WARM-UP PROCEDURE
0232F EN 20191213
OPERATING SEQUENCES
Start-up the System as described in Section 3.
Before effecting X-ray exposures ensure that the Tube is
properly warmed-up. Make sure that no persons will be
inadvertently exposed to unnecessary X-rays during this
procedure.
Routine exposures should not be effected unless the Tube is previously
warmed-up, this prolongs X-ray Tube life.
It is recommended that the following procedure will be performed for X-ray Tube
warm-up, at the start of each day and when the Tube selected has not been in
use for approximately one hour.
This warm-up procedure is used for a typical X-ray Tube.
Consult the X-ray Tube manufacturer instructions for the
actual Tube in use, comparing its recommendations with
this procedure.
comply with the Tube manufacturer's instructions.
Perform X-ray Tube warm-up as follows:
Close the collimator blades fully.

Select 70 kVp, 100 mAs, 200 mA and 500 ms exposure.

Make sure that no one will be exposed.

Make a total of three exposures, 15 seconds apart.

Excessive filament evaporation shortens X-ray Tube life.
Minimize evaporation by keeping Exposure "Preparation"
time to an absolute minimum.
If there is conflict with this procedure,
DX-D 400
User Manual
139