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DIDS-402-2AM13
3-2 OPERATING INSTRUCTIONS
3-2.1 Preoperational Procedures
Before initially operating the Display Terminal; all preoperational pro-
cedures outlined in Chapter 2 must be performed.
During subsequent operation,
no special preoperational procedures are necessary, other than allowing a
3-rninute warm-up period before exercising any function.
3-2.2 Turn- On Procedure
To turn on the Display Terminal, depress the BREAK key and turn the com-
bination
onloff
brightnes s control clockwise.
Then immediately perform the fol-
lowing three steps:
a.
Depress the CONTROL and CURSR RESET keys simultaneously
b.
Depress the CURSR RESET key
c.
Depress the ERASE MSG key
After a 3-minute warm-up period, increase the brightness control until
the screen pre sentation is of the de sired brilliance.
3-2.3 Operating Procedures
To operate the Display Terminal, position the cursor at the place on the
screen where the message is to begin, and proceed as follows:
a.
Type in the desired message.
For lower case alphabetical characters,
depress the applicable character key; for upper case equivalents,
simultaneously depress either of the SHIFT keys and the character
key.
A message may contain as many as 1039 text characters
(ETX occupies one character position).
Each time a character key
is depressed, the cursor automatically steps right to bracket
(J
cursor) or alternately blinks (
~
) in the next character position.
b.
When the mes sage is complete, depre ss the END key.
This inserts
an end-of-text (ETX) control code in delay-line memory and resets
the cursor to either the frame reset or first character of the line
position (see table -13).
c.
To transmit the message to the CPU, depress XMIT.
It is assumed that m.aintenance technicians will not normally be
responsible for operating the Display Terminal.
However, after performing
scheduled or unscheduled maintenance, and especially
if
parts were replaced,
the technician should type in the entire repertoire and exercise all functions
before returning the Display Terminal to operation.
3-2.4 Turn-Off Procedure
There are no special steps nece ssary for removing power from the Display
Terminal.
To turn off the unit, merely turn the combination power
onloff
brightness control fully counterclockwise.
3-8
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