Mindray Z6, Руководство по обслуживанию

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5-2 Function and Performance Checking Method
5.3 General exam
5.3.1 Check Flow
Check the control
panel
Check the monitor
Check DVD
Check peripherals
Check I/O ports
Check ECG module
5.3.2 Checking Content
5.3.2.1 Check Control Panel
Procedure Standard
Check the functions of all keys and knobs
Follow the direction: left to right, and up to down.
All keys and knobs are effective.
Function checking of the trackball

Press the <Freeze> key to enter the Freeze
status.

Press <Measure> to enter into measure
status,
do vertical and horizontal
measurement, or do other trackball
operations.
The trackball can be rotated easily and
smoothly, the cursor responds sensitively, the
rotation direction is the same as the direction of
the cursor.