Sanyo VWM-900 VHS VCR "sap mean" Questions

...SAP mean?What does SP mean?Should the SAP be on or off?Should the SP be on or off?What does Auto Repeat mean?Which is the longest recording good for SAP or SP? SP means Standard Play. Generally that ...

SAP is displaying on my TV. Does that mean it is on? If so, how do I turn it off? I think it is under Menu, but I can't get it to go away. Thanks Sometimes under SETUP on the remote control [r/c]