US Robotics 56K USB Modem User Manual page 86

Table 179. +VGS Command <gain> Values
Command
<gain> = 128
<gain> = a value greater than 128
<gain> = a value less than 128
Table 180. +VGS Extended Syntax Commands
Command
+VGS = <level>
+VGS?
+VGS=?
+VGT=<level>—Speaker Volume Control
Use this command to set the speaker volume control.
Result codes:
• OK if <level> = 0—255.
ERROR if <level> ≠ 0—255.
•
Table 181. <level> Values
Command
<level>=128
<level> = a value > 128
<level> = a value < 128
Table 182. +VGT Extended Syntax Commands
Command
+VGT=<level>
+VGT?
+VGT=?
+VIP—Initialize Voice Parameters
Use the +VIP command to reset all the voice parameters to their default values. The command has no
effect on the +FCLASS setting.
+VIT=<timer>—DTE/DCE Inactivity Timer
Use this command to set the DTE/DCE inactivity timer. The DTE/DCE inactivity timer is activated when the
DTE or host system selects voice fixed-rate mode. If the timer lapses, the DCE drops the connection.
Inactivity in either the voice command mode or the voice data mode starts the countdown. The units are in
one-second intervals.
Result codes:
• OK if <timer> = 0—255.
ERROR if <timer> ≠ 0—255.
•
Nominal level for speaker gain (default).
Increases gain above nominal level.
Decreases gain below nominal level.
Sets the speaker gain.
Displays the current value of the speaker gain.
Displays the range of supported gain values.
Function
Nominal volume level for sending to speaker (default).
Increases volume above nominal level.
Decreases volume below nominal level.
Function
Sets the speaker volume level.
Displays the current setting for the speaker volume level.
Displays the support speaker volume level values.
56K USB Modem
Function
Function
Command Reference - 80
User Guide