Table 3-1. Front Panel Controls and Indicators-continued

TM 116625-3024-14/EE641-AC-MMA-010/E14 SYSEX/TO 33AA50-5-1-1

Table 3-1. Front Panel Controls and Indicators (Continued)

Control/Indicator

Function

RUN FORWARD

Commands FORWARD tape motion in the

transport. The read circuits and the error counter

are enabled with forward tape motion. FAST tape

motion may be combined with RUN FORWARD.

STOP

Terminates all operations under control of the

Exerciser. The REWIND operation cannot be

stopped, once in progress.

All Motion Control and Data Control switches are

locked out when the STOP indicator is not lighted,

(STOP function disabled).

SIG GND

Used as return for all Motion Control and Status

Indication test jack signals.

EXT. START CONNECTOR

(Used with BLOCK MODE only.)

Starts the next block operation when the voltage at

the EXT. START input connector is above 2.5 Vdc

or the input is open.

(Used with BLOCK MODE only.)

SYNC. CONNECTOR

Provides a TL output pulse (open collector) at the

start of each block, when BLOCK MODE has been

selected.

POWER ON/OFF

SYSTEM ON/OFF

Exerciser power switch. Provides power to all

Exerciser circuits. An automatic power reset sets

the STOP and WRITE RESET indicators to ON. All

other Data Control and Motion Control indicators

are off.

3-6