<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><blockquote type="cite"><div><font class="Apple-style-span" color="#000000"> </font>, I must point out that switching from hi-band to low-band on an Ampex quad only required one switch on the older machines, or no switches at all on the newer machines with automatic selection. It's been awhile since I was around RCA machines. What were the two switches for?</div> <div> </div></blockquote><br></div><div>I only dealt with the TR-70C and TR-60's which were a one-button toggle for Hi and Lo Band... and with half and half Lo-band_Only machines, it was risky business -- a slip up meant a major scheduling crisis.</div><div><br></div><div> <span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><div>Joe Owens</div><div>Presto!Digital Colourgrade</div><div>302-9664 106 Avenue</div><div>Edmonton, Alberta T5H0N4</div><div>+1 780 421-9980</div><div><a href="mailto:jpo@prestodigital.ca">jpo@prestodigital.ca</a></div><div><br class="khtml-block-placeholder"></div><br class="Apple-interchange-newline"></span> </div><br></body></html>