Cinterion
®
EHS6 AT Command Set
16.6 AT^SNFI
EHS6_ATC_V03.001 15/12/3
Confidential / Released
Page 399 of 513
16.6 AT^SNFI Set microphone path parameters
AT^SNFI controls the microphone path amplification. Read and write options of this command refer to the active
audio mode. The write command works only in audio modes 2 to 10.
Syntax
Parameter Description
0...100 Microphone gain ranging from from -43.5 db to 6 dB, adjustable in steps of 0.5
dB.
(0 = -96 dB, 1 = -43.5 dB, 88 = 0 dB, 99 = 5.5 dB, 100 = 6 dB).
Notes
• The microphone mute status <MicSwitch> has no influence on value of <inVolStep>
• Attention! When you adjust audio parameters avoid exceeding the maximum allowed level. Bear in mind that
exposure to excessive levels of noise can cause physical damage to users!
Test Command
AT^SNFI=?
Response(s)
^SNFI: (list of supported <inVolStep>s)
OK
Read Command
AT^SNFI?
Response(s)
^SNFI: <inVolStep>
OK
ERROR
+CME ERROR: <err>
Write Command
AT^SNFI=<inVolStep>
Response(s)
OK
ERROR
+CME ERROR: <err>
PIN Last
- + -
<inVolStep>
(num)