Appendix B Calibration (DiRex System)
HF Series X-ray Generators - Service Manual Revision W
Quantum Medical Imaging, LLC B-17
Ion Chamber Configuration
The Select Ion Chamber Menu, shown below, displays available ion chambers
that can be interfaced to the HF Series X-ray generator. This screen also pro-
vides relay on/off settings for activating either the table and/or wall receptor
when the receptor buttons on the OCP are pressed.
Note: On systems equipped with a "Standard"
type AEC Board (AY40-031S), the "Wall 2" and
"Aux" selections are not used. These choices are
only effective if the generator is configured with
"Universal" type AEC Board (AY40-027S).
Figure B-11. Select Ion Chamber Menu
1. Press the button corresponding with the ion chamber you want to config-
ure: Wall, Table, Wall 2, or Aux (Wall 2 and Aux only used on sys-
tems equipped with AEC Board A11, AY40-027S). Be sure that the
selected ion chamber is properly interfaced to AEC Board A11 as
described in Chapter 2, ASSEMBLY & INSTALLATION.