Sierra Wireless UMTS Especificaciones descargar pdf (Pagina 117)

Test Commands

Rev. 8 May.12 Proprietary and Confidential 117

!DAWSCONFIGRX

Supporting chipsets:

• All

Note: The modem must be in

FTM mode to use this

command—use

!DAFTMACT

to enter FTM mode.

Set WCDMA receiver to factory calibration settings

Configure the WCDMA receiver according to factory calibration settings stored in the

modem’s NV (Non-Volatile memory). This allows for accurate measurement of Rx AGC

levels.

The command performs these steps:

1. Sets the channel.

2. Selects and sets LNA range (or LNA gain).

3. Sets the VGA gain offset based on the channel.

4. Sets the LNA range offset.

Usage:

• Execution: AT!DAWSCONFIGRX=<channel>,<Rx_Level_dBm>

Response:

Purpose: Configure the receiver.

Parameters (Input):

<channel> (Uplink channel number (ARFCN))

• Value based on the selected band

<Rx_Level_dBm> (Approximate signal level (in dBm) being applied to the modem

receiver)

• Valid range: -113 to 20

Parameters (Output):

<LNA Index> (LNA offset index)

• 0=R0 (highest gain)

• 1=R1

• 2=R2

• 3=R3 (lowest gain)

• Internal use only

Note:

!DASBAND

and

!DASCHAN

must be issued before you can use

!DAWSCONFIGRX

Table 5-2: Test command details (Continued)

Command Description

1 2 ... 112 113 114 115 116 117 118 119 120 121 122 ... 295 296

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