Hologic DISCOVERY A, Technical Manual

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Discovery QDR Series Technical Manual
9-4
9.1.3.2 Controls starting with Xrays
Figure 9-5.
Controls Starting with Xray
These controls include:
9.1.3.2.1 Xrays (F2) button OFF/ON.
The default setting of this button is OFF. Clicking this button will produce X-Rays from
the system. Keyboard F2 can also be used (toggles Xrays ON and OFF). When Xrays are
ON warning lights on the scanner will go on and the Main Display will look like either
Figure 9-3 or Figure 9-4 depending on the setting of the Display button (see below).
When the Xray (F2) button is ON the Filter Wheel button is grayed out and cannot be
used.
9.1.3.2.2 Filter Wheel button OFF/ON.
The default for this button is OFF. The Field Engineer will not use the Filter Wheel button
and it should always remain OFF. This deals with testing the system in different mode.
9.1.3.2.3 HI/LO buttons.
The default for these buttons is HI. The Field Engineer will not use the HI/LO buttons
and they should always remain the default.
9.1.3.2.4 BONE/AIR/TISSUE buttons.
The default for these buttons is BONE. The Field Engineer will not use the BONE/AIR/
TISSUE buttons and they should always remain the default.
WARNING: While the Xray button is ON the system is producing X-Rays, take proper
precautions.
Note: The next set of controls have the label Filter Wheel Off Phase which indicates the
state of the Filter Wheel. These controls (HI/LO, BONE/AIR/TISSUE, 0/1/2/3 and 0/1)
indicate where the Filter Wheel will stop when it is not moving.
AW-00335_001-0905