# NNS_SndSetMonoFlag

## Syntax

      #include <nnsys/snd.h>

      void NNS_SndSetMonoFlag( BOOL flag );

## Arguments

`flag` | Whether to enable the Mono flag.

## Return Values

None.

## Description

Changes the Mono flag. The default is FALSE.

When the Mono flag is enabled, the pan setting is ignored and all sound is directed at the center.

### Note

If this function is called while sound is being played, noise may be generated when the flag is switched.

## See Also

None.

## Revision History

2004/10/07 Initial version.

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