Specifications

AirPrime UMTS / LTE MC/SL-Series Extended AT Command Reference
154 Proprietary and Confidential 2130616
!AVTXAGC
Supporting chipsets (voice-
enabled devices only):
• MDM6200
• MSM6290 (min f/w rev:
K1_0_2_0ap)
• QSC6270 (min f/w rev: S2.0)
Set Tx AGC
Set the Tx AGC (Automatic Gain Control) for the specified profile. The Tx AGC
compensates for variations in audio gains from the mobile side to allow for a
constant audio level in the Tx direction.
The setting is stored in non-volatile memory and persists across power cycles.
Device-specific details:
• MSM6290 (Firmware revisions K2_0_7_8ap and lower):
• The change takes effect the next time the modem restarts.
• All other chipsets/firmware revisions:
• The change takes effect immediately for the specified profile.
Usage:
• Execution: AT!AVTXAGC=<profile>, <value>
Response:
OK
Purpose: Set the Tx AGC for the specified profile.
• Query: AT!AVTXAGC?<profile>
Response:
<value>
OK
Purpose: Return the current Tx AGC (<value>) for the specified profile.
Parameters:
<profile> (Audio profile number)
• MSM6290, QSC6270:
• 0=Handset
• 1=Headset
• 2=Car kit
• 3=Speaker phone
• 4=Auxiliary
• 5=TTY
• 6=Auxiliary external PCM (128 kHz clock)
• 7=Primary external PCM (2 MHz clock)
• MDM6200:
• 7=Primary external PCM (2 MHz clock)
<value> (Enable/disable Tx AGC)
• 0=AGC off
• 1=AGC on
Table 7-5: Voice command details (Continued)
Command Description