Mindray DC-8 EXP

Function and Performance Checking Method 5-3
Procedure
Standard
 Adjust LCD brightness
 Adjust LCD contrast
 Enter [Preset]->[General], click
[Contrast/Brightness Load
Factory]
 Monitor maintenance
Log on as Service, click
[Maintenance]->[Test Main Monitor]
to check the monitor functions
 Press “+”, the brightness increases; and press “-”, the
brightness decreases.
 Press “+”, the contrast increases; and press “-”, the
contrast decreases.
 Brightness/Contrast load factory values
 Click each functional button, the LCD responds
correctly, the standard is as follows:
1. Light-spot: 0; flash point: 0.
2. The adjoining dark spots are no more than 3 pairs, and
there is no adjoining dark spot in image area.
3. There is no adjoining dark spot of 3 or more than 3.
4. The dark spots are no more than 7 and those in the
image area are no more than 2
5. The distance between bad spots is no less than 5mm.
Note: image area refers to rectangle when the background is
black/right.
5.3.2.3 Check Touch Panel
Procedure
Standard
 Check if keys on the touch screen of B
or M exam mode can respond normally.
 Enter [Maintenance]->[Touch Screen
Preset] to enter the touch screen
contrast/brightness menu.
 All keys function are effective.
 Press on the touch screen to adjust the values,
real-time values will be displayed on the
adjusting bar.
5.3.2.4 Check DVD-R/W
Procedure
Standard
 Press [Eject]
 Use the optical disk drive to read and burning.
 Disk can be normally ejected.
 Normal, no abnormal sounds.
5.3.2.5 Check Peripherals
Procedure
Standard
Footswitch:
Connect the footswitch; check the
functions of footswitch according to the
functions listed in Key Config. （e.g. right
key- image frozen, middle key- color print,
left key- B/W print）
 Press the freeze key (the right key), image is
frozen, the freeze menu is displayed; press the
key again, image is unfrozen.
 Press the print key (middle key), color printing
starts.
 Press the print key (left key), B/W printing starts.
Video printer:
Check if the video printer and ultrasound
system are correctly connected. Then
check the function of each key.
Press <Print> key, the printer begins to work, no
image print deficiency or degradation.
Switch video output port; repeat the step.