Sample At Command Sequences; Turning On The Tx In Wcdma Mode - Sierra Wireless MC8775 Reference Manual

MC87xx Extended AT Command Reference
80
Sample AT command
sequences

Turning on the TX in WCDMA mode

The sequence of AT commands that follows turns the trans‐
mitter on and adjusts the offsets.
Table 5-3: Command sequence for setting WCDMA
offsets
Command
1.
AT!ENTERCND=
"password"
2.
AT!DAFTMACT
3.
AT!DASBAND=16
4.
AT!DASCHAN=9263
5.
AT!DAWSTXCW=0
6.
AT!DASTXON
7.
AT!DAWSPARANGE=3
8.
AT!DASPDM=2,450
9.
AT!DASPDM=4,35100
Function
Enters the password, providing
access to the necessary commands
Puts the modem into factory test
mode
Sets the frequency band to
WCDMA 1900
Sets the channel to 9263
Sets the waveform to WCDMA
Turns the WCDMA transceiver PA
on
Sets the PA range state to the
maximum gain
Offsets the Tx AGC adjust by 450
(You would typically run this
command repeatedly, adjusting the
offset until you obtain the desired
TX power.)
Offsets the tracking LO by 35100
(You would typically run this
command repeatedly, adjusting the
offset until you obtain the desired
frequency.)
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