Appendix B Calibration (DiRex System)
Revision W HF Series X-ray Generators - Service Manual
B-14 Quantum Medical Imaging, LLC
2. Generator Timeout: The "timeout" period selected represents the
amount of delay time, after which if no user activity is detected, the sys-
tem automatically enters Automatic Power Stand By mode. This mode is
entered to help reduce power consumption while protecting system elec-
tronics. The timeout period is selectable in 30 minute increments
between 0 minutes up to 180 minutes. If "Infinity" is selected, the gener-
ator will not timeout, however, the filament will turn off if one hour of
inactivity.
3. AEC Board Type: Displays the optional AEC Board type
a. Select "Standard" if generator is equipped with standard type AEC
Board A11 (AY40-031S)
b. Select "Universal" if generator is equipped with universal type AEC
Board A11 (AY40-027S)
c. Select "None" if generator is not equipped with optional AEC
4. Backup MAS: Displays the current system-wide backup mAs setting
effective on all AEC exposures. The maximum back up mAs setting is
600; note that on certain model generators, such as the Stored Energy
models, the maximum mAs capability of the generator is less than 600
mAs. Therefore, the backup mAs setting should not exceed the maximum
MAS output of the generator. Refer to Chapter 1, SPECIFICATIONS for a
list of the mAs ratings by model number.
5. Digital Receptor: Accesses the digital receptor "PREP HOLD" setting
(On or Off). Setting the Prep Hold setting to On configures the generator
to send a "Prep Hold" signal to the DR system (notifies the DR system
that a Prep cycle has been initiated; the generator must receive a "Prep
Hold Release" signal from the DR system to proceed with the Expose
cycle). Setting the Prep Hold setting to Off configures the generator for
"normal" operation (i.e., non-interrupted Prep cycle).
6. Press the Back button on the lower left side of the screen. The system
returns to the Configuration Menu (see Figure 3-8).
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