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Voice Commands
Rev. 8 May.12 Proprietary and Confidential 143
!AVMICGAIN
Supporting chipsets (voice-
enabled devices only):
• MSM6290 (min f/w rev:
K1_0_2_0ap)
• QSC6270 (min f/w rev: S2.0)
Set/report microphone gain
Set the microphone gain for the specified audio profile. This setting provides a set of
twenty-six gain levels from -6 dB to +49.5 dB (steps of 1.5 dB). The gain is applied to
the analog audio input prior to its conversion into the digital domain.
This setting is stored in non-volatile memory and persists across power cycles.
Note: This command has no effect when PCM audio is being used.
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!AVMICGAIN=<profile>, <value>
Response:
OK
Purpose: Set the microphone gain for the specified <profile>.
• Query: AT!AVMICGAIN?<profile>
Response:
<value>
OK
Purpose: Return the microphone gain (<value>) for the specified <profile>.
Parameters:
<profile> (Audio profile number)
• 0=Handset
• 1=Headset
• 2=Car kit
• 3=Speaker phone
• 4=Auxiliary
• 5=TTY
<value> (Gain value)
• The value is entered/returned in hexadecimal format:
• QSC6270
• Valid values: 0x04 (0 dB), 0x14 (24 dB)
• Other chipsets
• Valid range: 0x00 (-6 dB) to 0x25 (49.5 dB) in 1.5 dB steps
Examples:
• QSC6270—To set the microphone gain for the car kit to 24 dB:
AT!AVMICGAIN=2,14
• MSM6290—To set the microphone gain for the speakerphone to 4.5 dB:
AT!AVMICGAIN=3,7
Table 7-5: Voice command details (Continued)
Command Description
- AirPrime MC/SL-Series 1
- (UMTS/LTE) 1
- Extended AT Command 1
- Reference 1
- Trademarks AirCard 4
- Contact 4
- Information 4
- Revision 5
- Contents 11
- 1: About This Guide 13
- Command access 14
- Command timing 14
- Result codes 15
- References 15
- Terminology and acronyms 15
- Current firmware versions 15
- Document structure 16
- About This Guide 17
- Table 1-9: GPS commands 22
- Conventions 25
- 2: AT Password Commands 27
- Return modem hardware ID 36
- Return modem hardware version 37
- Generate melody on buzzer pin 39
- Enable/disable DARP for SAIC 47
- Configure DIO channels 49
- Enable/disable GCF test mode 53
- Set/return current SIM type 53
- Set/return HSDPA category 54
- Set/report HSUPA category 54
- Configure LTE NAS settings 56
- Configure MT PDP port mapping 57
- (or Release 99) 59
- Return Network Subset codes 62
- Return package version string 66
- Ping an IP address 71
- Select RAT acquisition order 75
- Read modem’s SKU 77
- Set/report Sleep Enable state 78
- Return wake-up event type 80
- 4: Diagnostic Commands 85
- Set/report TE-DCE baud rate 89
- 5: Test Commands 93
- Test Commands 95
- Return MT RSSI and RSQ 97
- !DAFTMACT 98
- • 0=R0 (highest gain) 99
- !DAGGAVGRSSI 99
- Return raw RSSI value 100
- Return synthesizer lock state 101
- !DASBAND 103
- !DASCHAN 103
- !DAGSTXBURST 103
- Set GSM Tx frame structure 104
- • 0=R0 (Highest gain) 105
- !DALSRXBW 105
- !DALGAVGAGC 105
- !DALGRXAGC 106
- (continued) 108
- Place modem offline 109
- Set frequency band 110
- Set modem channel (frequency) 111
- Set LNA gain state 112
- Set PDM value 113
- Turn Tx PA off 113
- Turn Tx PA on 114
- !DAWGRXAGC 115
- Set PA range state machine 118
- Enable/disable IMS test mode 120
- Key off the transmitter 120
- Key on the transmitter 121
- Turn second receiver on/off 122
- Read second receiver Rx AGC 123
- Read first receiver Rx AGC 123
- Turn transmitter on/off 123
- Set desired Tx AGC 124
- 6: Memory Management Commands 125
- Command reference 126
- 7: Voice Commands 127
- Audio profiles 128
- Profile activation 130
- Command summary 131
- Set/report CODEC Tx gain 135
- Set/report the DTMF Tx gain 137
- Set/report microphone gain 143
- Play DTMF tone 152
- Set Tx AGC 154
- Set/report Tx PCM filter tap 155
- Set Tx volume 158
- Voice Commands 159
- !AVTONEPLAY command 159
- 8: I2S Audio Commands 163
- Read a codec register 166
- Select codec mode 168
- Set codec register bit width 169
- Set/report voice decoder gain 169
- Set/report Rx voice volume 172
- Set I2S sample rate 175
- Select codec controller 178
- 9: GPS Commands 179
- Clear all GPS assistance data 184
- End an active session 184
- Initiate GPS position fix 185
- Set GPS LBS APNs 187
- Set GPS LBS APNs (continued) 188
- Set/report NMEA sentence type 192
- Request satellite information 196
- Set/report SUPL server URL 198
- !GPSTRACK 200
- Set GPS XTRA APNs 202
- Set GPS XTRA APNs (continued) 203
- Set/report GPS XTRA settings 203
- Error codes 208
- GPS Commands 209
- 10: STK Commands 211
- Display STK version 222
- 11: PAD Commands 243
- Disconnect PAD connection 246
- Disable PAD server 246
- Switch active PAD session 250
- 12: OMA-DM Commands 251
- Enter DM account credentials 255
- Configure DM sessions 258
- Commands 259
- Execution (GSM): 261
- Response: 261
- Set/report SAR backoff state 262
- (or Disable) 265
- A: Module Customization 269
- Table B-1: GSM/EDGE channels 275
- Table B-2: WCDMA Channels 276
- C: HSDPA/ HSUPA Categories 277
- D: Band Definitions 279
- Table 4-2: 3GPP bands 280
- E: ASCII Table 281
- Index (AT commands) 283
- Index — AT Commands 285
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