Section III. TECHNICAL PRINCIPLES OF OPERATION

TM 9-6920-737-10

Section III. TECHNICAL PRINCIPLES OF OPERATION

GENERAL

The U-COFT consists of six major functional units:

General Purpose Computer (GPC)

Special Purpose Computer (SPC)

Instructor Operator Station (IOS)

Crew Station

Remote Monitor Station (RMS)

Shelter Facilities

The GPC (1) provides the central control and data storage for the U-COFT computer program operations. Training

exercise sight scene programs, functional readiness test programs, and diagnostic test (built-in test) programs are

entered in the Disk Drive memory (1) by the manufacturer. Training records are also stored in the Disk Drive memory

during training exercise performance. The SPC (2) processes sight scene data received from the GPC (1). The SPC (2)

generates the colored television-type scenes displayed in the Crew Station sights (3) and the Instructor Operator Station

monitors (4). The sight scenes are separated into two channels, one for the Commander's view and one for the Gunner's

view. Vehicle and battle sounds are also generated in the SPC (2) and sent to the intercom headsets of the Crew Station

(3) and IOS (4).

Trainees at the controls of the Crew Station (3) view the tactical battle scenes through the gunnery sights, ISUW and the

CFP as they would in an actual BFV turret. They operate the controls in the same manner in a BFV. Movement of these

controls sends a change of switch or shaft position data to the GPC (1). The GPC, in turn, senses the change and alters

the scene data affected by the switch or shaft position change. The SPC (2) processes the new data to alter the scenes

viewed in the Crew Station sights (3) and IOS monitors (4). If an action in the Crew Station initiates a requirement for a

change in the state of a Crew Station indicator, the GPC (1) returns the changed indicator data to the Crew Station to

change the on/off state of the appropriate indicator.

The IOS (4) is the Instructor/Operator's control station. When training is in progress he can monitor the performance of

the trainees by observing the Crew Station (3) sight scenes on the Commander's and Gunner's monitors in the IOS (4).

He receives the tank and battle sound cues from the SPC (2) in his headset and can communicate with the trainees in

the Crew Station (3) through the same headset. The IOS (4) Display Terminal and Keyboard provides the means of

communicating with the GPC (1). The Instructor/Operator can select the mode of operation (training, training records

check, diagnostic tests, functional tests) by entering input data on the IOS (4) keyboard. The GPC (1) responds with data

pages and prompts (requests for additional data) displayed on the screen of the IOS (4) Display Terminal. The

Instructor/Operator answers the prompts by entering the additional data on the keyboard as required.

The Terminal Printer (5) provides paper printouts of crew performance data during training sessions, of training unit

records for training management, and of diagnostic test results for maintenance purposes. The printouts are obtained by

entering the requests on the IOS Keyboard (4). The request is received by the GPC (1) which responds by sending the

data to the Terminal Printer (5). The Terminal Printer (5) keyboard is also an input device for the GPC (1), and is used

by the Instructor/Operator for power-up and power-down only.

The RMS (6) permits observers to monitor Integration Shelter briefing area. It features two 19-inch color monitors which

display

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