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The tape then tracks properly over the read/write heads and other elements in the head assembly. At the capstan end of the head cover slot, lead the tape around the capstan and over the top of the other buffer guide . Pass tiie tape over the top Ox the lixed takeup ree*. Press the end of the tape against the hub through one of the openings in the reel flange . Holding the tape against the hub, turn the reel until the end of the tape is overlapped and secured by the next tape layer. To complete the loading operation, firmly press the LOAD pushbutton on the operator's control panel (Figure 4) .Both buffer arms will move to their normal operating positions and the capstan will pull the tape forward until the beginning -of -tape (BOT) marker reaches the photosense assembly.To thread tape on 37,5 ips or 45 ips Mod 10 systems (Figure 3) , follow the previously described procedure for 25 ips units, except that the tape must be led across both rollers of each buffer arm guide assembly.II - 4 At the conclusion of a tape system operation with the computer, or at other times when it is necessary, the tape will be rewound onto the supply reels Norm-aily, the computer or data system will issue a re- wind command without operator participation.Operator's Control Panels II - 6 POWER This is a combination pushbutton switch and indicator .
The passage of the tape through the slot causes the small shield over the head assembly to move away from the head.
Material for these sections has been scaled to the and training of computer and off-line system operators. LETTER DESCRIPTION DATE APPROVAL H Changed pages - Title page; 6/73 V through xi Revised pages - I-l, 1-3, II-l through II-9.
Sections IV and following are addressed to the engineer responsible for setting up and maintaining this equipment on site. 10/72 G Changed Title Page, revised pages: II-3, II-6, II-8, IV-2, IV-9, V-18 and VI-32. III-1 through I I 1-4, IV-1 through IV-18, VI-40, VI-42 Appendix B: revised list of drawings; updated drawings to latest revisions.
After this sequence of operations is completed the switch becomes functionally disabled and can only be re-enabled by loss of tape tension.
ON LINE This is a combination pushbutton switch and indicator.