Table 3-1. Digital Processor Test Set Controls, Indicators, and Connectors

TM 32-5811-024-14&P

Table 3-1. Digital Processor Test Set Controls, Indicators, and Connectors

Control, indicator, or

connector

Function

Primary power:

POWER/POWER ON

Turns on power for equipment under test.

(illuminating

pushbutton)

DC and AC

Resets dc and ac breakers. If the ac breaker

(pushbuttons)

trips, the POWER ON pushbutton light goes out.

CPU CONTROL switches:

NORM ROM/DPTS ROM

NORM ROM - Allows unit-under-test program ROMs to

(S1)

control unit-under-test digital processor.

DPTS ROM - Allows digital processor test set

diagnostic ROMs to control unit-under-test digital

processor.

RUN

Allows unit-under-test digital processor to resume

(S2)

execution of instructions after it has been halted.

HALT

Stops unit-under-test digital processor.

(S3)

SINGLE STEP

Allows unit-under-test digital processor to execute

(S4)

its instructions one step at a time.

PRESET

Sets the unit-under-test program ROMs to an instruc-

(S5)

tion address preset on the ADDRESS switches (see

ADDRESS below).

BREAKPOINT

Presets the final instruction address (preset using

(S6)

ADDRESS switches) to be executed by the unit-under-

test digital processor before halting.

ADDRESS

The first switch on the left has two settings

(1 and 0), the remaining five switches have eight

settings (O thru 7). Select the ROM address

(RADO thru RAD15) or can be preset to the last

instruction executed; the address is in octal format.

SER. INT. CONTROL

switches:

CP STATUS/SER INT

CP STATUS - Routes the output of lamp driver CCA A8

(S7)

to the digital processor test set octal display.

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