PLAYTIME SM SS [SB] EM ES [EB] [CHANNEL] [DEVICE] This routine will play a specified portion of CD audio through your CD-ROM drive. The portion is defined by the disc time; minutes, seconds and blocks ( there being 75 blocks within one second ) at the start point and the end point You may listen to this audio through a pair of headphones or an amplifier. SM - start time in minutes SS - start time in seconds SB - start time in blocks (default = 0) EM - end time minutes ES - end time in seconds EB - end time in blocks (default = 0) Channel - determines which output channels are active S = stereo:- (default) L = left channel R = right channel M = mute Device - CDROM device name (default first drive) or CDROM drive letter