Motorola MTM800 FuG ET, Basic Service Manual

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5.1 - 14 Test Setup & Testing for 380–430 MHz
11. Monitor the diagram for the following:
• press “vector error” soft key for vector error.
• press “mag error” soft key for magnitude error.
• press “phase error” soft key for phase error.
• Vector Error
• Magnitude Error
• Phase Error
For Vector Diagram:
12. Press the “vector diagram” soft key.
13. View the following:
• press “symbol constel” soft key for graphical symbol constellation.
• press “rotated vector” soft key to zoom in on the constellation.
• press “phase traject” soft key to view trajectory of the constellation.
14. Press the terminal “End” key.
Manual Mode Testing
Preparation for Testing
Verify that the radio is turned off.
Press the “1”, “2” and “3” keys together and then, press the On/Off key or the Rotary
Push Button to turn the radio on. Keep the “1”, “2” and “3” keys pressed until the display
turns on.
The display shows “User test mode, Press any key to start, Press SoftKeys to scroll”.
Tests
Note: Any key that will be pressed will cause the test to advance from one step to
the next. You can use the soft keys to go to the next or back to the previous
test. After a test has started you can press the upper soft key to go back to
the start of the current test. At any time you can switch off the radio by press-
ing the On/Off key for 2 seconds.
1. Press any key to start the first test. The display shows “LCD Red-Green-Blue test”.
2. Press any key consecutively. First the display shows horizontal red lines that become
thicker with every key press, until it becomes fully red. Then the display shows
vertical green lines that become thicker with every key press, until it becomes fully
green. After that the display shows horizontal blue lines that become thicker with
every key press, until it becomes fully blue.
3. Press any key to start the next test. The display shows “LCD Color brightness test”.
4. Press any key consecutively. The display shows the color brightness levels “min”,
“low”, “med” and “max”. Verify the color brightness of the display.
5. Press any key to start the next test. The display shows “Display backlight test”.