Motorola MTP850 S Service Manual page 54

5.2 - 10 MTP850 TETRA Handportable Terminal / Basic Service Manual
The following results are displayed on the IFR "Manual Test" Screen.
- Burst Power Required Results: 28–32dbm
- Power Profile: Passed
- Timing Error: <0.25 Symbols.
- Vector Error: Max 10% RMS, Max 30% Peak, Max 5% residual.
- Frequency Error: -/+ 100Hz
3. Speak into the handset microphone and hear your speech (after a short
Note: If you need more details, press the "Duplex Test" mode key.
4. Press the "duplex test (Tx)" soft key twice. The "Digital Duplex test" results
For Power Analyser Graph:
5. Press "power ana" soft key.
6. Check that the power frame falls within the limits.
For Spectrum Analyser Graph:
7. Press "Spect ana" soft key.
8. Monitor the Tx frequency.
For Vector Analyser Diagram:
9. Press the "Vect Anal" soft key
10. Monitor the constellation diagram.
11. Press the "Vector Diagram" soft key.
12. Press the "Rotated vector" to zoom in on the constellation.
13. Press the handset "End" key.
delay) from the handset internal earpiece.
will be displayed on the IFR screen providing you with the following bar charts
measurement capabilities:
- Power
- Vector RMS
- Frequency Error
TEST SETUP & TESTING 806-870MHz