Siemens MC55 Manuel d'utilisateur Page 411
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MC55 AT Command Set
16.13 AT^SNFO
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MC55_ATC_V01.05 Page 411 of 469 2/10/04
Confidential / Released
Formula to calculate the value of the 5 volume steps selectable with parameter <outStep>:
Attenuation = 20 log * (2 * outCalibrate[n] / 32768)
0...32767
Volume steps 0 - 4, each defined with outCalibrate[n]
0...[4]
Multiplication factor for the sidetone gain.
Formula to calculate how much of the original microphone signal is added to the earpiece signal:
Sidetone gain in dB = 20 * log (sideTone / 32768).
0...32767
Notes
• The write command works only in audio modes 2 to 6.
• The read and write commands refer to the active audio mode.
•
<outCalibrate> specifies the amount of volume of each <outStep>. The range of each <outCali-
brate>
is up to 65535, but will be suppressed to 32767. A value above <outCalibrate>= 65535 will cause
an error.
• The range of
<sideTone> is up to 65535, but will be suppressed to 32767. A value above <sideTone>=
65535 will cause an error.
• Any change to
<outStep> takes effect in audio modes 2 to 6. That is, when you change <outStep> and
then select another mode with
AT^SNFS, the same step will be applied. Nevertheless, the sound quality and
the amount of volume are not necessarily the same, since all remaining audio parameters can use different
values in either mode.
• Audio mode 1 is fixed to
<outStep>=4. In this mode, any attempt to change <outStep> or other parameters
returns an error.
• The value of
<outStep> is stored non-volatile when the ME is powered down with AT^SMSO or reset with
AT+CFUN=x,1. Any other parameters changed with AT^SNFO need to be saved with AT^SNFW for use after
restart. See also
AT^SNFD for details on restoring factory defaults.
• The values of
<outStep> can also be changed with AT^SNFV and AT+CLVL.
• CAUTION! 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!
<outCalibrate>
(num)(^SNFW)
<outStep>
(num)
<sideTone>
(num)(^SNFW)
- Siemens Cellular Engine 1
- Version: 01.05 1
- DocId: MC55_ATC_V01.05 1
- Contents 3
- MC55 AT Command Set 10
- List of Tables 11
- List of Figures 12
- 1. Introduction 13
- 1.2 Related documents 14
- 1.3 Document conventions 15
- 1.3.1 Quick reference table 15
- 1.4 AT command syntax 17
- 1.4.1 Using parameters 17
- 1.5 Supported character sets 19
- 1.6 Flow Control 26
- 1.9 Errors and Messages 29
- 2. Configuration Commands 30
- 2.2.1 AT&V responses 31
- 3. Status Control Commands 63
- 3.2 AT+CIND Indicator control 66
- 4.1 AT\Q Flowcontrol 89
- 4.5 ATE Enable command echo 93
- 4.7.1 Autobauding 98
- 5. Security Commands 103
- 5.2 AT+CPIN2 Enter PIN2 107
- 5.4 AT+CLCK Facility lock 115
- 5.5 AT^SLCK Facility lock 121
- 5.6 AT+CPWD Change Password 122
- 5.7 AT^SPWD Change Password 126
- 6. Identification Commands 127
- 7. Call related Commands 137
- 7.2 ATA Answer a call 139
- 7.10 AT+CHUP Hang up call 152
- 7.16 ATP Select pulse dialing 159
- 7.19 ATT Select tone dialing 162
- 8. Network Service Commands 186
- 8.4 AT+CSQ Signal quality 193
- 8.5 AT^SMONC Cell Monitoring 195
- 8.6.1 AT^MONI responses 198
- 8.6.2 Service states 199
- 8.6.3 Notes 199
- 8.7.1 AT^MONP responses 202
- 8.8 AT^SMONG GPRS Monitor 203
- 8.10 AT^SHOM Display Homezone 207
- 9.5 AT+CCUG Closed User Group 220
- 9.7 AT+CCWA Call Waiting 226
- 10. GPRS Commands 243
- 11. FAX Commands 281
- 11.23 AT+FRM Receive Data 306
- 11.24 AT+FRS Receive Silence 307
- 11.26 AT+FTM Transmit Data 309
- 12.1 SMS parameters 312
- 12.7 AT+CMGS Send SMS message 323
- 13. SIM related Commands 356
- 14.2 ^SSTN SAT Notification 364
- 14.4 AT^SSTR SAT Response 368
- 15. Phonebook Commands 370
- 16. Audio Commands 392
- 16.5 AT+CMUT Mute control 397
- 16.6 AT+VTD Tone duration 398
- 17. Hardware related Commands 425
- 17.2 AT+CCLK Real Time Clock 429
- 18. Miscellaneous Commands 439
- 19. Appendix 443
- 19.2 List of *# Codes 444
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