4-6
Schematic Diagrams, Overlays, and Parts Lists
Keypad B
Layout
~
ROW1
,
~,
~
P1
8W0906
0
~
3
1~
1
~
8
80905
80906
~
ROW2
"]~
P5
P4
P8
~~~
P3
~
P7
I>
ROW3
80908
""
....,
COL4
COL3
COL2
ZWG0130242
Figure 4-4.
COM 1550•LS+ Control Head Keypad Schematic