Samsung HS40 - Page 166

4 – 4 HS40 Service Manual
■ Dual Mode
1. Perform a Phantom test to check for errors in the image.
2. Perform Left/Right Flip, Up/Down Direction, and Rotation to check whether the image
changes its orientation correctly.
3. Check the proper operation of Select Image menus (EE, DR, View Area, Tissue, Frame
Rate, Power).
4. Check for errors in frequency (Phantom, Res, Pen, Gen).
5. Check for changes in the image in accordance with changes in depth.
6. Check for changes in the image by depth when you change the focus.
7. Check for errors in operations related to left and right Cine images (number of pages,
Cine progression order, broken image, Auto Run, Auto Run Speed, Track Ball Cine).
■ M Mode
1. Perform a Phantom test to check for errors in the image.
2. Check whether the M-Line’s information is displayed in the Image area.
3. Check for changes in the image brightness when you adjust the Gain.
4. Perform Left/Right Flip, Up/Down Direction, and Rotation to check whether the image
changes its orientation correctly.
5. Check that the Select Image menus (EE, DR, View Area, Tissue, Frame Rate, Sane
angle, Power) operate correctly.
6. Check for changes in the image in accordance with changes in depth.
7. Check for changes in the image by depth when you change the focus.
8. Check for changes in speed when you change Speed gradually and for errors in the
information.
9. Check whether the image becomes inverted when Negative is performed.
10. Check for errors in Top Down Format and Side by Side Format images when Loop
Format is selected.
11. Check for changes in the Format B-Mode and M Line area sizes.
12. Check the Freeze Cine actions (broken image, Auto Run, Auto Run Speed, Trackball
Cine).