Astro Shop GSTAR-EX Skrócona instrukcja obsługi - Strona 2
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Drukuj stronęPlug in and switch on the regulated 12VDC Plug Pack before connecting to the camera 12V socket, this
will prevent power surges when switching on the mains.
Use the most direct connection possible from the cameras video output to the input of the recording
device and keep signal cable as clear as possible away from mains power extension leads and other AC
appliances to avoid induced noise in the image.
Once connected and switched on, adjust the monitor to see the widest dynamic range – not too dark, not
too bright. Computer software can adjust this further, increasing contrast for example.
Always attach fittings with the cameras CCD pointing downwards to avoid dust and other foreign object
falling on the CCD chip.
Video Out - BNC connector
Lens switch - Set to VIDEO
S-VHS Out (preferred)
Auxiliary for GSTAR-COM controller
OSD 5-way buttons
* Press and hold centre button to activate display.
12VDC input power socket
Optimal camera settings for deep sky viewing and imaging
TITLE
OFF
SENSE UP
x128
ALC/ELC
ALC - shutter to off
BLC
OFF
AGC
MANU - level set to maximum
W/B
ATW
SYNC
INT
OPTION
SET - GAMMA to 0.45
ZOOM
OFF (ON and maximum for focusing)
MOTION DET
OFF
EXIT
SAVE
Focusing the camera:
Set SENSE UP from OFF to X6 or X8 depending in how
bright or faint the stars are in the field
This gives a rapid feed back on the screen
Using the Zoom set to maximum helps to fine focus
When focused set SENSE UP to X128
Set ALC/ECL to ALC – Shutter to OFF
Setting the AGC (Auto Gain Control) to manual will prevent any bright object (star)
from auto adjusting the contrast
Once the GAMMA is set to 0.45 you don't have to worry about it again
Some very bright objects may require the SENSE UP to be set lower
than X128 to prevent over-exposing, eg cores of bright globular cluster
When settings are OK go to EXIT and SAVE
Camera settings for planetary viewing and imaging
TITLE
OFF
SENSE UP
OFF
ALC/ELC
ALC - shutter speed to suit target
BLC
OFF
AGC
OFF or (MANUAL if some gain needed)
W/B
ATW
SYNC
INT
OPTION
SET - GAMMA to 0.45
ZOOM
OFF
MOTION DET
OFF
EXIT
SAVE
Setting SENSE UP to OFF will give you the fastest capture rate
Set the AGC (Auto Gain Control) to OFF for minimum visible background noise.
If the object is still over-exposed, increase the shutter speed to obtain the best exposure