User's Guide

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4 Operating mode
4.1 How to transmit a Tch burst (Random data), in GSM850/PCS1900 mode, at power control level max:
GSM850/PCS 1900:
Connect the mobile with special software, Configuration of the common parameters: - Band:
GSM850/PCS1900,
- Channel: 190/661, - RF level: 5/0,
- Burst select: Mode Tch Random
Press STAR command to start continuous TX, you can check the burst with CMU200 or Agilent
8960; it must fit the curve below.
4.2 How to stop Tx measurements: Press STOP command to stop the TX.
4.3 How to transmit a burst after modifying parameters
Please note that each time a parameter (such as parameter used to shape the burst) is changed, then
the user have to: download to flash to validate the parameter modification. If the command is not
performed, the old parameters are taken into account.
5 Purpose
This panel gives the description of the Frequency plan. This window includes both:
- Automatic frequency control (AFC), - Static frequency error and range,
- Dynamic frequency error and range
6 Automatic frequency control
Before a handset is allowed to transmit any signals, it needs to first receive the FSB signal from
the base station, demodulate and decode it using its own local oscillator, map it to the