TM 11-6720-239-35
FUNCTIONING
Section l.
GENERAL
1-1. Scope
a. Refer to the latest issue of DA Pam 310-4 to
a. This manual covers direct support, general
determine whether there are new editions,
support, and depot maintenance for Camera Set,
changes, or additional publications pertaining to
Still Picture KS101A. It includes instructions
the equipment.
appropriate to direct support, general support,
and depot maintenance for troubleshooting, test-
b. Refer to the latest issue of DA Pam 3107 to
ing, and repairing the equipment. It also lists
determine whether there are modification work
tools, materials, and test equipment authorized
orders (MWO'S) pertaining to the equipment.
for direct support, general support, and depot
maintenance. Detailed functions of the camera set
are covered in the theory section.
Improvements
The reporting of errors, omissions, and recom-
b. The complete technical manual for this
mendations for improving this publication by the
camera set includes TM 11672023912.
individual user is encouraged. Reports should be
submitted on DA Form 2028 (Recommended
Changes to Publications) and forwarded direct to
NOTE
Commanding General, U.S. Army Electronics
Command, ATTN: AMSELMENMPAD, Fort
For applicable forms and records, refer
Monmouth, N.J., 07703.
to paragraph 1-3, TM 11-6720239-12.
FUNCTIONING MECHANISMS
Section Il.
of this chapter. The mechanical components are
1-4. General
covered in the remainder of this section.
The camera mechanisms include the lens and
shutter assembly and the focusing mechanism
1-6. Function of Shutter Assembly Manual
(coupling between shutter and finder assembly).
Controls
a. Film Speed Control and Lighting Selector
tioning of the camera mechanisms and flash oper-
ation. Paragraphs 19 and 110 describe the func-
(aperture wheel) and the lighting selector control
tioning of the finder assembly and the electrical
set the aperture opening (on the aperture wheel)
circuits.
and the timing circuit (determining the operating
limits of the photocell), respectively. The photo-
1-5. Shutter Assembly
cell's operaing limits are controlled by the selected
timing network that is in series with the photo-
The shutter assembly contains both electronic cir-
cell. The photocell, however, controls the shutter
cuits and mechanical components. The electronic
speed by varying the resistance of the timing
circuits adjust the shutter speed in accordance
circuit. The resistivity of the photocell is con-
with the selected film speed and aperture opening,
trolled by the light reflected upon it.
and the intensity of the light from the subject
striking the photocell. The functional operation of
For each four of the FILM SPEED dial settings
the electronic circuits are discussed in section III
of the aperture wheel a bright (large) or dull
