IBM 3164 ASCII Manual page 122

Notes:
1. A maximum of 64 characters can be stored in each Function key.
2. The Function key data must not exceed 256 characters.
72. Set Default Function Key Command
ESC t Fn (outbound)
Parameter: Fn:
Bit 7:
6:
5 - 1:
Function Key Number
Always 1
Always 0
Function Key Number (1 through 24)
This command is used to return a Function key to the original AI D function.
73. Set All Default Function Keys Command
ESC space t (outbound)
This command is used to return all Function keys to the original AI D setting.
74. Swap Key Command
ESC s P1 h P11 P2h P21 (outbound)
Parameter: P1 h Bit 7: Always 0
6: Always 1
5: See Note
4:
]Hi9h order digit of key 10 3:
2:
1:
P11 Bit 7: Always 0
6: Always 1
5:
See Note
4:
3: Low order digit of key I D
2:
1 :
P2h Bit 7: Always 0
6:
Always 1
5: See Note
4:
I
High order digit of key 10 3:
2:
1:
.....J
P21 Bit 7: Always 1
6: Always 0
5: See Note
4:
i
3:
I
Low order digit of key I D
2: J
1 :
Note: Shift Status
Shift Bit 5 of P1 hjP2h Bit 5 of P11jP21
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