Motorola MTM700 Basic Service Manual page 44

Tetra mobile terminal, 380-430 mhz / 806-870 mhz
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4. Press the "Talk Back" soft key.
5. Speak into the radio microphone and hear your speech (after a short delay) from the
6. Press the "duplex test (Tx)" soft key. The "Digital Duplex test" results will be displayed
For Power Analyser Graph:
7. Press "power ana" soft key.
8. Check that the power frame falls within the limits.
For Spectrum Analyser Graph:
9. Press "spec ana" soft key.
10. Monitor the Tx frequency.
For Vector Analyser Diagram:
11. Press the "vector ana" soft key.
12. Monitor the diagram for the following:
For Vector Diagram:
13. Press the "vector diagram" soft key.
14. View the following:
15. Press the radio "End" key.
MTM700 Mobile Terminal / Basic Service Manual
- Frequency Error:
- Vector Error:
radio loudspeaker.
Note: If you need more details, press the "Duplex Test" mode key.
on the IFR screen providing you with either one of the following:
- bar charts measurement capabilities showing Tx Power,
Frequency Error and Vector RMS in one screen
- Tx Power (more details in Power Analyser)
- Frequency Error (more details in Spectrum Analyser)
- Vector RMS (more details in Vector Analyser)
- 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
- 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.
-/+ 80Hz
Max 10% RMS,
Max 30% Peak.
Max 5% Residual.
TEST SETUP & TESTING

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