F9 Fetal & maternal Monitor Service Manual Functional Checks
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Chapter 4 Functional Checks
This section describes the procedure for a complete functional test to support recommended
preventive-maintenance schedules.
Functional checks do not require opening the device case.
WARNING
Only qualified service personnel should perform a full functional check procedure.
Whenever the monitor is serviced or problems are suspected, the manufacturer recommends a full
functional check procedure.
4.1 Switching on Check
Press the POWER switch on right panel to switch on the monitor.
Check if the power indicator lights up; if a start-up tone is heard. if the screen lights up in a few
seconds.
If any failure is detected, refer to section 8.1 Monitor Booting Failures for details.
4.2 LCD Screen Check
Observe if some characters are missing, or there are bright spots and dark shadows on the LCD
screen. Observe if the waveforms, fonts and symbols displayed on the LCD screen are normal.
If any failure is detected, refer to section 8.1 Monitor Booting Failures for details.
4.3 Keys Check
Press the keys on the front panel to check if they work properly. When pressing a key, a normal
key tone should be heard, unless its related function is disabled.
If any failure is detected, refer to section 8.2 Display Failures for details.
4.4 Touch Screen Check
When the monitor is configured with touch screen, touch any available keys on the screen to
check if it is working properly.
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