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Programs 25 to 28: Bulb
These experimental programs allow the PIR sensor to control the shutter
speed of the camera. To facilitate these programs, the camera must be set to
"Bulb" mode.
In automatic shooting modes, the camera will usually be limited to a maximum
exposure time of 30 seconds. These programs allow exposure times of up to
2 minutes in length, so that stars or moonlit backgrounds can be exposed.
Night operation can either be a single long exposure (exposure time set by the
Time Dial) or a single fast exposure followed immediately by a long exposure.
During the day, the camera can either be disabled or set to take a single fast
exposure that avoids "ghosting". This exposure time will be as fast as the
camera can manage in bulb mode (this depends on the camera itself and is
usually around 1/10s).
Program 25: the camera takes a fast exposure during the day and a
single long exposure at night
Program 26: the camera takes a fast exposure during the day and a
fast exposure followed by a long exposure at night
Program 27: the camera is disabled during the day and takes a single
long exposure at night
Program 28: the camera is disabled during the day and takes a fast
exposure followed by a long exposure at night
The Time Dial sets the long exposure duration at night. Time Dial has
no effect on the daytime operation. Long exposure time can be varied
from 0.5s (fully anticlockwise) to 2 minutes (fully clockwise).
Use the Luminosity dial to set the threshold between day and night
operation. To avoid ghosting, set the dial fully anticlockwise so that
long exposures are only taken when there is little or no ambient light.
Programs 29 to 31: Wake
These programs are intended to wake the camera before the first shot is
taken. This gives flashes time to charge ahead of the first photograph being
taken.
Programs 29 & 30 fire the camera after the designated wake period. Program
31 only wakes the camera.
Camtraptions PIR Motion Sensor Manual
Page 22
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