Multitech MTCMR-H User's Guide Page 107

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Chapter 3 – Supported GSM/WCDMA AT Commands
High Speed HSPA-H4 AT Commands Reference Guide (Document S000483A) 107
+CLVL Loudspeaker Volume Level
Description: This command is used by the application to tune the loudspeaker volume level.
Syntax:
Command Response
Action Command:
AT+CLVL=<volume>]
OK
Read Command:
AT+SIDET?
+CLVL: <volume>
OK
Test Command:
AT+CLVL=?
+CLVL: (list of supported <volume>s)
OK
Values: <volume> Side Tone Mode Reception Volume
There are two configuration modes:
- The gain is entered in deci dB units,
- The gain is entered in index.
By default gains are expressed in deci dB value.
All values are possible between the minimum and maximum
values of the table given in the Notes section. If a value does
not correspond to a table value, the nearest is kept.
Parameter Storage: All parameters are stored in EEPROM using the AT&W command.
Examples:
Command Response
AT+CLVL=?
Note: Test command
+CLVL: (-4000-800)
OK
AT+CLVL=-2100 OK
AT+CLVL? +CLVL: -2000
OK
AT+CLVL=? +CLVL: (0-15)
OK
AT+CLVL=9 OK
AT+CLVL? +CLVL: 9
OK
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