RCA 301 Programmer's Reference Manual page 138

Electronic data processing system
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Number of Data Record Positions Rotated
* Variance ± 10%
Note: Cage rotation has two speeds
a. slow speed (from one to eight data record positions from selection point).
b. fast speed (from nine to 64 data record positions from selection point). Use straight line inter­
polation for interim positions on table.
C. Additional timing information
1. To select band on opposite side of data record on turntable (head at ready to head at ready) = 3.4 sec.
2. To select adjacent band of data record on turntable and return head to ready = 0.9 sec.
XI-4
Time (in s econds)*
1
2
3
4
5
6
7
8
9
16
32
64
1.6
1.8
2.0
2.2
2.4
2.6
2.8
3.0
2.65
2.8
3.1
3.4

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