Part II General Information
Function and Performance Check 220
6.3 General Check
6.3.1 Check Flow
Check the control panel
Check the monitor
Check peripherals
Check I/O port
Check ECG
6.3.2 Check Items
6.3.2.1 Control Panel
Procedure Acceptance Criteria
1. Check the buttons, keys and knobs.
Perform the check from left to right and from up down.
All keys and knobs are effective.
2. Check the functionality of the trackball.
Press Freeze key to enter the frozen state and move
the trackball.
Press Measure to enter the measurement state.
Measure the vertical distance and horizontal
distance or perform other trackball operations.
The trackball works smoothly and
responds quickly to cursor movement.
The rotation direction of the trackball is
consistent with the movement direction of
the cursor.
6.3.2.2 Display
Procedure Acceptance Criteria
Adjust the brightness of the display. Brightness adjustment
Auto adjustment: Choose Setup > System > General >
DISPLAY and click Brightness auto adjustment.
Adjust the contrast of the display. Choose Setup > System > General > DISPLAY and
click the plus sign to increase the contrast or the
minus sign to decrease the contrast.
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