RCA 301 Programmer's Reference Manual page 116

Timing
Hi-Data tapes, Model 381, are read at the rate of 10 KC.
Hi-Data tapes, Model 382, are read at the rate of 30 KC.
Paper tape is read at the rate of up to 1000 characters per second.
The tape station connected to the Tape Adapter or Dual Tape Channel is read at the rate of 33.3 KC if it is a
Model 581 Tape Station, or 66.7 KC if it is a Model 582 Tape Station.
Example
Instruction:
Operation
6
Tape on Station #3:
HSM before Instruction is Executed:
2022 2023
2021
— — —
HSM after Instruction is Executed:
2023
2021 2022
B C
A
Final Register Contents:
(A) - 2020
t
(B), = 2021
PRI
PRZ is set
IX
-8
N
3
• Direction of Tape Motion
2026
2024 2025
—
— —
2024 2025 2026
D E F
A Address
2030
2027 2028
— —
2027 2028
G H
B Address
2021
•
2029 2030
— —
2030
2029
I J