Sensoray 2224 Windows - Manual (Page 30)

Returns
0 on success, negative value if error (see mid2226types.h for error codes list).
MID2226_API int S2226_GetAudioOutputHp(
int *extra_gain,
HANDLE hdev
);
Retrieve extra gain setting for audio high power(HP) channel.
Parameters
extra_gain
0-9 (in steps of 1 dB). The default and recommended setting is 0.
hdev
handle to device (obtained from S2226_OpenBoard).
Returns
0 on success, negative value if error (see mid2226types.h for error codes list).
MID2226_API int S2226_SetAudioOutputStereo(
int extra_gain,
HANDLE hdev
);
Sets extra gain on the audio high stereo channel.
Parameters
extra_gain
0-9 (in steps of 1 dB). The default and recommended setting is 0.
hdev
handle to device (obtained from S2226_OpenBoard).
Returns
0 on success, negative value if error (see mid2226types.h for error codes list).
MID2226_API int S2226_GetAudioOutputStereo(
int *extra_gain,
HANDLE hdev
);
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