Volume 1
MIL-HDBK-162A
Section 3
15 December 1965
ITEM NAME: REFLECTOSCOPE
TYPE: MX-969/SPA-4A
a view of a movable illuminated chart and a PPI display
TECHNICAL DESCRIPTION
and presents them at a common viewing point. The
chart The chart can be positioned manually to bring any
Power Requirements: 6.3v ac or dc, 0.1 to 3.2w,
desired area into view at the eyepiece. A dichroic mirror
100% pf.
in the viewing path of the chart introduces the reflection
Heat Dissipation: 0.1 to 3.2w
of the PPI display to provide the combined view. The
intensity of illumination of the chart and the brilliancy of
INSTALLATION CONSIDERATIONS
the PPI display may be independently regulated to allow
inspection of either presentation alone or in conjunction
Related Equipment:
with the other.
Required but not Supplied. (1) Range-Azimuth
Indicator AN/SPA-4A or AN/SPA-8 or
RELATION TO SIMILAR EQUIPMENT
AN/SPA-9.
None.
PRINCIPAL COMPONENTS AND PHYSICAL DATA
SHIPPING DATA
COMPONENT
BOXES
OVERALL DIMENSIONS
UNIT WT.
(NR.)
(Inches)
(Pounds)
Reflectoscope MX-969/SPA-4A
1
31 x 31 x 32-1/2
80
including:
Adapter Rings
Set of Equipment Spares
Technical Manuals
Chart Rolls
EQUIPMENT SUPPLIED DATA
COMPONENTS
QTY
OVERALL DIMENSIONS
UNIT WT.
(Inches)
(Pounds)
Reflectoscope MX-969/SPA-4A
1
21-5/8 x 23 x 23
45
Adapter Ring for AN/SPA-4A
1
3 x 24-3/4
Adapter Ring for AN/SPA-8, -9
1
3-3/8 x 28-1/4 dia
Technical Manual NAVSHIPS 91588
2
1/4 x 9 x 11-1/2
Set of Equipment Spares
1
Chart Roll
2
REFERENCE DATA AND LITERATURE
Technical Manuals:
NAVSHIPS 91588
MX-969/SPA-4A: 2
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