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1. Description & Theory of Operation

Table of Contents

ProCam Unique Features............................................................... 3

ProCam General Features ............................................................. 4

SPAR Thyristor Strobe ............................................................... 4

ProCam Specifications ................................................................ 5

Viewfinder .................................................................................. 7

Audible Signals ........................................................................... 9

Quintic Lens System ................................................................... 10

Exposure Control ........................................................................ 15

First Light Detect ........................................................................ 17

Dual Photodiodes........................................................................ 17

ProCam System Autofocus ......................................................... 18

Electronic Trim ........................................................................... 18

Film Speed Switch ...................................................................... 19

Camera Inhibits ........................................................................... 19

Date Module ............................................................................... 20

Sequence of Operation ................................................................... 21

Starting Conditions ..................................................................... 21

Film Pack Inserted and Dark Slide.............................................. 22

Exposure Mode........................................................................... 26

Film Processing and Cycle Advance ........................................... 31

ProCam Simplified Diagrams ........................................................ 34

Simplified Sequence of Operation Chart..................................... 35

Signal Distribution Diagram........................................................ 36

Timing Diagram .......................................................................... 37

Polaroid ProCam Repair Manual

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