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The 2741 paper controls (such as the paper release lever,<br />
line-space lever, impression control lever, etc.) are<br />
identical to the corresponding controls on an IBM Selectric<br />
typewriter and operate accordingly.<br />
Any invalid output character (one which cannot be typed by<br />
the terminal and for which no keyboard function, such as tab<br />
or carriage return, exists> appears in terminal output as a<br />
space. For a further discussion of 2741 characteristics,<br />
refer to the 2741 component description manual (GA24-3415).<br />
2741 INITIATION PROCEDURES<br />
The steps for preparing the 2741 for use are described<br />
below. After these steps have been performed, log in.<br />
1. set the terminal mode switch located on the left side of<br />
the typewriter stand to LCL. This ensures that the terminal<br />
is disconnected from the computer.<br />
2. After making sure that the terminal is plugged in, turn<br />
the power on by pressing the ON portion of the terminal<br />
power switch at the right side of the keyboard.<br />
3. Check to see that the margin stops, which are located on<br />
the typing guide just above the keyboard, are set at the<br />
desired positions (normally 0 and 130). If so, proceed to<br />
step 4. To reset a margin stop, push it in, move it to the<br />
desired position, and release it.<br />
4. Check that the tabs are set at the desired intervals by<br />
tabbing an entire line using the TAB key. If the settings<br />
are satisfactory, proceed to step 5. Note that these tab<br />
settings do not govern the internal positioning of input<br />
characters. For a discussion of internal tab settings,<br />
refer to EDIT. If the tabs are to be reset, position I the<br />
typing element to the right margin, press and hold the CLR<br />
portion of the tab control keYi, and hit the RETURN key.<br />
This clears all previous tab settings. New settings may be<br />
made by spacing the typing element to the desired locations<br />
and pressing the SET portion of the tab control key. After<br />
tab stops have been set for the entire line, hit RETURN to<br />
position the typing element at the left margin.<br />
5. set the terminal mode switch on the left side of the<br />
typewriter stand to COM. The terminal is now ready for use.<br />
1050 CHARACTERISTICS<br />
The IBM 1050 terminal is composed of the 1051 Control Unit<br />
and a 1052 Printer-Reyboard. The 1051 Control Unit includes<br />
the power supplies, printer code translator, data channel,<br />
18 Terminal Characteristics
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