Setting The Dip Switches; Functions And Conditions Of Dip Switch 1 - IBM 5150 Hardware Reference Manual

Setting The DIP Switches
There are two DIP switches on the control circuit board. In order to suit
the user's specific requirements, desired control modes are selectable
by the DIP switches. The functions of the switches and their preset
conditions at the time of shipment are as shown in Table 8 (DIP
Switch 1) and Table 9 (DIP Switch 2).
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Figure 17. LOCATION OF PRINTER DIP SWITCHES
Table 8.
Functions and Conditions of DIP Switch 1
Pin No. Function ON
OFF
Factory·set
Condition
1 Not applicable -
-
ON
2 CR { Print
&
Line Feed
Print only Print
&
ON
Print only line feed
3 Buffer full
{ Print
&
Line Feed
Print only Print &
ON
Print only
line feed
4
Cancel code
{Valid
Invalid
Valid OFF
Invalid
5
Delete code
{ Valid
Invalid Valid
ON
Invalid
6 Error Buzzer Sounds
Does not ON
sound
7 Character generator N.A.
Graphic OFF
(Graphic pattern select) patterns
select
8
SLCT I N signal Fixed
Not fixed ON
Fixed internally
Not fixed internally
2-72