This section outlines operating procedures to be followed in the
use of the recorder. These procedures assume that the equipment is in
normal operating condition.
The correction of irregularities in oper-
ation, or of equipment failure, should be attempted only by qualified
OPERATING CONTROLS, INDICATORS, AND CONNECTORS.
All operating controls and indicators are located on the top
The Speed control selects the record or
play speed of the tape transport.
When the control is in the raised
(up) position the speed selected is 7.5 inches-per-second (i.p.s.);
the lower (down) position selects 3.75 i.p.s.
POWER OFF control S1 removes primary power
from the recorder power supply.
POWER ON-STOP control S2. performs two
(1) applies primary power when the POWER OFF control is
engaged, and (2) sets the tape transport to the stop condition.
FAST FORWARD switch S3 applies power to
the fast forward drive motor to drive the-tape in a forward direction
at a fast rate.
PLAY switch S4 selects the playback mode of operation.,
FAST REWIND switch S5 applies power to the
fast rewind drive motor to drive the tape in a reverse (rewind]
direction at a fast rate.
RECORD switch S6 is used in conjunction with the
The RECORD and
PLAY switch to select the record mode of operation.