Mindray DC-6, Service Manual

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Checks
6-3
2) Checking the initial operations
Check the functions of each MODE key.
Check and print out the images obtained by every transducer.
Check the functions of the peripheral devices.
3) Checking general operations
Check that the Freeze key can freeze or unfreeze an image.
Check that the gain key can normally work.
Check that the Power, Color, PW, M and B modes can be normally switched.
4) Checking keys on the control panel
Check that the keys can normally work as per the order of left to right and up to
down.
Check that the print key can normally work.
5) Checking the trackball
Pressing the Freeze key can enter the freeze status, and pressing the Measure key
can enter the measurement status.
Measure the vertical distance and horizontal distance to confirm that the trackball
can normally work.
6) Checking peripherals of the main unit
Check that the CD can normally eject.
Check that the breaker can be normally turned on or off.
Check that the transducer can be normally disconnected, and it can normally work
after connected to the socket.
7) Checking the fan
Turn on the power of the main unit and check that the fan installed on it is running
smoothly.
Check that the fan doesn’t give abnormal sound when running.