Beehive International B150 Series Operator's Manual page 19

The 11 key NUIV1ERICPAO Jor convenient
entry of numerical data. These keys are
not affected by the SHIFT key.
The EOL key causes data
to be cleared from
cursor position to the
end of the line.
The EOS key causes data
to be cleared from
cursor position to the
end of the screen.
The ESC (Escape) key generates
•the ASCII code which it used as
The RETURN key causes the
cursor to go to the first column
of the same line.
Oi
rb
The CTRL (Control) key when
depressed simultaneously with
any alpha key: bits 6 and 7 are
both forced to a 0. This allows
operation of the control codes
as shown in column Oand 1 of
the ASCII code chart. This is
a momentary action key.
The SHIFT key is a momentary
key that enables upper case alpha
and special characters to be
entered.
The LINE FEED key causes the
cursor to move In the same
column and down one line. It
results In the same action
caused by the CURSOR DOWN
key. The keys CTRL-J can
also be used.
RETURN
7 8
9
4 5
6
1 2 3
0
•
The DEL (Delete) key generates
a non-displayable delete code
when shifted. Lower case use
of this key produces an under
score.
^os j
AUX«
ONIN
1
s
AUX,
ENBl
-»•
\
u
IClEAi
breakI ALPHA
lOfK
When CLEAR/HOME key is activated in the
unshifted mode, the cursor will move to
the Home position. If shifted (type the
SHIFT key simultaneously typing the CLEAR/
HOME key), a "clear screen" operation
is activated. If not in the FORMAT MODE,
ail data will be erased. If in the FORMAT
MODE, only the unprotected data (high
intensity) will be erased. The keys ESC-H
can be used to Home the cursor. The keys
ESC-E can also be used to clear the screen.
The CURSOR LEFT key causes the cursor to move one location
to the left. If in the first location of a line, the command
will cause the cursor to go to the last location of the tine
above. If the cursor is in the Home position, the command
will cause the cursor to go to the last location of the last
line. The keys ESC-D may also be used.
NOTE: In FORMAT MODE, the CURSOR KEYS will not
allow the cursor to remain in a protected field. The cursor
will skip to the next unprotected field automatically.
The CURSOR UP key causes the cursor
to move to the same column on the line
above its present location. If on the
first line, the cursor will wrap around to
the same column of the last line. The keys
ESC-A can also be used.
The AUX ON LN (Auxiliary On Line) key is an
yalternate action key designed to connect the
I/O Port with the Auxiliary Port. This allows
the terminal to send a receive in a Daisy Chain
fashion.
NOTE: Baud rates between the two ports must
be identical.
-The AUX ENABLE is an alternate action key
which enables conversational mode trans
mission out the Auxiliary Port only. When
this key is activated, the I/O Port is disabled.
CURSOR DOWN causes the cursor to move to the same
column, one line below its present location. If on the
last ITne and not in FORMAT MODE,
the CURSOR DOWN command will cause the
display to scroll. If in the FORMAT MODE, the
CURSOR DOWN causes the cursor to wrap around to
the same column in the first line. If the cursor ends
in a protected field. Cursor Down will move forward
to the first unprotected location found. The
keys ESC-B can also be used.
The ALPHA LOCK key is an alternate
action key that locks the terminal in
an upper case mode. Allows the ter
minal to bo teletype code compatible.
The CURSOR RIGHT key causes the cursor to move one
location to the right. If the cursor is in the last position
of a line, this sequence moves the cursor to the first po
sition of the next line down. If the terminal is not in
FORMAT MODE and the cursor is in the last position of the
last line, the command will cause the cursor to wrap
around to the first position of the last line and the screen
will scroll. If in FORMAT MODE a command off the last
position of the screen will cause the cursor to return to
the Home position. The keys ESC-C can also bo used.
The BREAK key generates a pulse
of approximately 450 (+—20%) milli
seconds which is used to place the
transmit data line in the spacing
state.
Figure 3-1 B150 Series Lower Level Keyboard Operation