LORAD AFFINITY Series, Service Manual

Page: 55 / 214

P/N 9-500-0255 3-13
Service Manual
Chapter 3: Functional Checks/Setting Defaults
Setting User Defaults
4.0 Setting User Defaults
The machine parameters listed below, are set up via the User Default Screen (Figure 3-8)
using the Scroll and Change keys. For detailed instructions on setting these defaults, refer to
the Affinity Operator’s Manual.
• Compression Release—Manual or Automatic.
• Manual—Requires the user to press a Compression Release button after each expo-
sure.
• Automatic—Sets the unit so the compression device will immediately lift after an
exposure.
Note… When a localization paddle is installed, the system automatically disables
the motorized compression release function.
• Full Compression—10% to 100% selectable (25 to 40 lb compression)
• Pre Compression—10% to 100% selectable (15 to 30 lb compression)
• Compression Mode—Full Compression or Pre Compression
• Film ID—None, Printer, Auto ID, Rapid ID
• Force Units—Newtons or Pounds
• Cassette Sense—Prevents x-rays from being taken if the Bucky is not loaded, or if the
cassette is not ejected from the Bucky after it is exposed. Select ON or OFF.
Note… When the Cassette Sense is set to ON, the system will remain in Standby
until a new cassette is installed.
• Date—US format or International format
• Time—12 hour format or 24 hour format
5.0 Setting Exposure Technique Defaults
The exposure techniques listed below, are set up via the Exposure Default Screen (Figure 3-9)
using the Scroll and Change keys. For detailed operating instructions on setting these
defaults, refer to the Affinity Operator’s Manual.
• Mode—Allows you to set the exposure mode the unit defaults to upon power up.
The available choices are:
•
Manual
• Auto-Time
• AUTO-kV
• Auto-Filter
• Mag Manual (applicable only when a magnification device is installed)
• Mag Auto-Time (applicable only when a magnification device is installed)
• Mag Auto-kV (applicable only when a magnification device is installed)
• kV—20 to 39 kV, dependent on filter selected
Note… At kVs above 32, maximum mAs is restricted to less than 500 mAs for large
focal spot and 150 mAs for small focal spot.