TM 5-3610-257-14
Controls or indicators
Function
Control or Indicator Function
START Switch
Starts a predetermined
highlight, main, or flash
exposure cycle.
HIGHLIGHT Selector Button
Presets instrument for a
highlight exposure.
Pressed prior to pressing
START button.
MAIN Selector Button
Presets instrument for a
main exposure. Pressed
prior to pressing START
button.
FLASH Selector Switch
Down position presets instrument for a flash
exposure.
Switch must be set to down
position and released prior
to pressing START switch.
The up position is for flash
test. After flash test is
complete, switch must be re-
turned to middle position.
FLASH UNITS Dials
Set time units for flash
exposure.
MAIN UNITS Dials
Set time units for main
exposure.
HIGHLIGHT UNITS Dials
Set time units for high
light exposure.
DENSITY Dials
Used to set copy density.
Inside scale (black area)
gives instrument automatic
subtraction of
highlight density from
shadow density for flash
exposure control within a
.30 highlight density
range. CAL position is
used when calibrating the
instrument.
3-9
