Test 48, Keyboard_open, Test 49 test_cycle – Fluke 900 User Manual

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TEST 48

KEYBOARD_OPEN

This test verifies that all keys are in the open state including the keys on the buffer. The last
two bytes of the individual test result will contain two set bits which may be intetpreted from
the following matrix to identify the key that was depressed.

KEYBOARD MATRIX

byte 3—> b7

J4| 16 I

1 I G I

A I ESC I SHFT I CNTR

Y |

S | M

2 I II

C I

F2 I space I < , I

= + I

U | 0

3 1 K I

E I

F5 |BoL<-

I PgUp ''I : ; I

W | Q

F I

F4 |EoL-> |PgDn v|

? _ I

X | R

5 I #

ETC

I ENTER

|sparel|

(

| & 7 |

6 I $

I TEST

|spare21

)

| * 8 |

7 I J I

D I

F3 I spares I > .

/ - I

V | P

8 I HI

B I

FI I CE

I |<—>1

Z I

TIN

TEST 49
TEST_CYCLE

This test verifies that:

- the following lines are not broken or shorted:

/SYNCEN
/SHORT interrupt line
/RELEN

- the following timers are good:

Test time timer

10 ms system timer
1 ms free rumiing timer

- gate and trigger work properly

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