KEYBOARD CONTROLLED CIRCLIIT TESTS
TEST
There are
11
keyboard controlled circuit tests
(01
thru
11
).
All tests are accessed by pressing
and then the two digit test number. Tests which do not require keyboard inputs to function (tests
01, 02,
03, 04,
06,07,
11)
can be exited by pressing any key. The counter will exit the test and enter the functions
selected. Tests which use the keyboard in their operation (tests
05, 08. 09, 10)
can be exited by pressing
CLEAR
any key not used by the test. All tests can be exited by pressing
[
.
The counter will return to
DISPLAY
normal operation. Some tests require hexidecimal coded keyboard inputs (tests
08, 09, 10).
For those
tests the keyboard
is
defined in figure
6-4.
A
B
'
RESET
C
m
F
E
D
Figure
6-4.
Keyboard Configuration For Tests Requiring Hexidecimal Inputs.
KEY HEX EQUIV.
0 0
1 1
2 2
3 3
4 4
5
5
6 6
7 7
8
8
KEY HEX EQUIV.
9 9
MHz
A
GHz
B
CLR DATA C
D
+/-
E
RESET
F
CLR DISPLAY EXITS TEST
Scans by ArtekMedia © 2007
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