UC864
UC864
UC864
UC864----E/G/WD/WDU
E/G/WD/WDU
E/G/WD/WDU
E/G/WD/WDU AT Commands Reference Guide
AT Commands Reference Guide
AT Commands Reference Guide
AT Commands Reference Guide
80304ST10041a Rev. 6
80304ST10041a Rev. 6
80304ST10041a Rev. 6
80304ST10041a Rev. 6 ---- 2010
2010
2010
2010----0
00
05
55
5----20
20
20
20
Reproduction forbidden without Telit Communications S.p.A’s. written authorization - All Rights Reserved.
Page 228 of 329
#SHFAGCTX
#SHFAGCTX
#SHFAGCTX
#SHFAGCTX –
––
– Handsfree TX AGC Value tuning
Handsfree TX AGC Value tuning
Handsfree TX AGC Value tuning
Handsfree TX AGC Value tuning
Value(agc_exp_thres) = 128
∗
(X+75) : X range is -75 to 0 dBm0mu
<agc_exp_slope>
<agc_exp_slope>
<agc_exp_slope>
<agc_exp_slope>
expansion slope. This is the slope of the expander gain when expansion
is applied. Meaningful range is 0xFF01 to 0xFFF6.
Value(agc_exp_slope) = 256 * X : X range is -0.04 to -0.996.
<agc_compr_thres>
<agc_compr_thres>
<agc_compr_thres>
<agc_compr_thres>
compression threshold. This is the energy threshold of the input above
which compression is applied. Meaningful range is 0x0 to 0x2580. This
parameter must be greater than agc_exp_thres.
Value(agc_compr_thres) = 128
∗
(X+75) : X range is -75 to 0 dBm0mu
<agc_compr_slope>
<agc_compr_slope>
<agc_compr_slope>
<agc_compr_slope>
compression slope. This is the slope of the compressor gain when
compression is applied. Meaningful range is 0x8000 to 0xFFFF.
Value(agc_compr_sloop) = 65536 * X : X range is 0.50001 to 0.99999
Note:
these values are automatically saved in NVM.
AT#SHFAGCTX?
AT#SHFAGCTX?
AT#SHFAGCTX?
AT#SHFAGCTX?
Read command returns the current handsfree TX AGC values
#SHFAGCTX:
#SHFAGCTX:
#SHFAGCTX:
#SHFAGCTX:
<agc_static_gain>,<agc_aig>,<agc_exp_thres>,<agc_exp_slope>,<agc
<agc_static_gain>,<agc_aig>,<agc_exp_thres>,<agc_exp_slope>,<agc
<agc_static_gain>,<agc_aig>,<agc_exp_thres>,<agc_exp_slope>,<agc
<agc_static_gain>,<agc_aig>,<agc_exp_thres>,<agc_exp_slope>,<agc
_compr_thres>,<agc_compr_slope>
_compr_thres>,<agc_compr_slope>
_compr_thres>,<agc_compr_slope>
_compr_thres>,<agc_compr_slope>
AT#SHFAGCTX =?
AT#SHFAGCTX =?
AT#SHFAGCTX =?
AT#SHFAGCTX =?
Test command returns the supported range of values of parameter
<agc_static_gain>,<agc_aig>,<agc_exp_thres>,<agc_exp_slope>,<agc
<agc_static_gain>,<agc_aig>,<agc_exp_thres>,<agc_exp_slope>,<agc
<agc_static_gain>,<agc_aig>,<agc_exp_thres>,<agc_exp_slope>,<agc
<agc_static_gain>,<agc_aig>,<agc_exp_thres>,<agc_exp_slope>,<agc
_compr_thres>,<agc_compr_slope>
_compr_thres>,<agc_compr_slope>
_compr_thres>,<agc_compr_slope>
_compr_thres>,<agc_compr_slope>
3.5.7.1.67.
Handsfree Noise Reduction
Handsfree Noise Reduction
Handsfree Noise Reduction
Handsfree Noise Reduction ---- #SHFNR
#SHFNR
#SHFNR
#SHFNR
# SHFNR
# SHFNR
# SHFNR
# SHFNR ---- Handsfree Noise Reduction
Handsfree Noise Reduction
Handsfree Noise Reduction
Handsfree Noise Reduction
AT#SHFNR =
AT#SHFNR =
AT#SHFNR =
AT#SHFNR =
<mode>
<mode>
<mode>
<mode>
Set command enables/disables the noise reduction function on audio
handsfree input.
Parameter:
<mode>
<mode>
<mode>
<mode>