HP 2641A Reference Manual page 196

MULTIPLE CHARACTERS TRANSFER STRAP CONTROLS
o
Block
Trigger (DC1)
Received
?
Block
NO
Mode
?
Control
YES
Key Down
?
NO
Control
Key Down
NO
?
YES
Pagel Page (Out)
Line (D)
?
Line (In)
Handshake
NO (In)
(G) ?
YES (Out)
Inhbiit
YES (Out)
Handshake (H)
?
NO (In)
Return
YES
Key HIT
?
NO
Pagel
Line (D)
?
Page (Out)
NO
Return
Key HIT
?
Block
Trigger (DC1)
Received
?
YES
YES
Return YES
Key HIT
. > - - - - - - - - - - ,
?
EOF
or liD
YES
Error
?
~
Block
UJ
~. YES
Mode
=6 ~
?
1-"
CD
Read File
M-
Q
n
Flag Set
p-'
~
NO
CD
?
en
~~
~CD NO
o
~
=6
0-'
n
0
Pagel
p-'PJ Line (In)
PJ
~
Line (D)
~ p..
M-
?
en Q
@
0
S
p-'
S
0
CD
CD ~
~ M-
8.
CI.:)
~
n
(3
0
PJ
~
c-t-
~
~
o'
~
'-' ~