Celestron StarSense 94008 사용 설명서 - 페이지 11

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4. Run CFM. It should ﬁ nd the hand control and the StarSense

Autoguider.

5. Click the Update button in CFM. CFM will install any available updates

for both SSAG and the hand control.

10. Updating SSAG's Internal Software

and Live View via Web Interface

Alternatively, you can update SSAG's software directly via USB. This

method does not use CFM and does not update the hand control. If any

new ﬁ rmware is available, you'll ﬁ nd it as a .swu ﬁ le on the StarSense

Autoguider (#94008) page at celestron.com. To install the ﬁ le, you'll

need a USB Type-A to USB Type-C cable (not supplied) and the

SSAG PC driver, also available on the StarSense Autoguider page at

celestron.com.

Follow these steps to update SSAG's software:

1. Install the SSAG driver on your PC.

2. Connect SSAG to your PC via the USB cable. After about 10 seconds,

SSAG's LED ring will illuminate, indicating it is receiving power via

USB.

3. Open a web browser on your computer and enter

http://169.254.54.1/ to launch the SSAG web

interface page (Fig. 25).

Fig. 25: Alternatively, you can update SSAG's ﬁ rmware via the web interface. You'll

also be able to access Live View from here.

4. Select "Software Update."

5. Drag and drop the downloaded .swu ﬁ le as directed. SSAG's software

will update.

You can also access the SSAG Live View from this web interface. You'll

have controls to change from automatic to manual camera settings and

can even capture an image (TIFF format) here.

11. Troubleshooting and Tips

1. If you continually get the "No Stars!" error message during plate-

solving when the sky is clear, try refocusing SSAG.

2. If the Moon is high and bright in the sky, SSAG may have trouble plate-

solving within a few degrees of the Moon due to the intense glare. You

may receive a "No Stars!" error message.

a. If there is a light haze in the sky, SSAG may have trouble plate-

solving even farther away from the Moon.

b. An IR-pass ﬁ lter can help reduce the Moon's glare.

3. For the best overall performance, we recommend leveling your tripod.

SSAG will still work with a tripod that is not level, but its pointing

accuracy will be somewhat diminished.

4. For the most accurate Precise GoTo functionality, polar align your

mount. Precise GoTo will still work well if your mount is not polar

aligned, but overall accuracy will be slightly reduced—typically by

several arcminutes.

5. For the best guiding performance, disable all backlash compensation

and periodic error correction (PEC) in the hand control or CPWI. This

prevents any conﬂ icts between the SSAG's guide commands and

backlash/PEC settings.

6. SSAG has a built-in lens shade that will help prevent dew from forming

on its optics. Under heavy dew conditions, however, you may consider

adding a third-party heater strip along with a Celestron Smart

DewHeater Controller to keep dew off the SSAG's lens.

7. If you are using a USB cable to connect SSAG to your PC, make sure

it is a high-quality cable. If you have trouble connecting to SSAG via

USB, try another USB cable or another USB port on your computer.

8. When autoguiding with CPWI on a PC, you can try connecting the

PC directly to SSAG's USB-C port (with SSAG still connected to the

mount via the AUX cable). This may improve performance because the

USB-C port handles autoguiding commands faster than the AUX port

can.

12. Speciﬁ cations

LENS

DESIGN Double-Gauss

CLEAR APERTURE 31mm

EFFECTIVE APERTURE 28mm

FOCAL LENGTH 120mm

EFFECTIVE FOCAL RATIO f/4.3

NUMBER OF ELEMENTS 4

COATINGS Fully multi-coated

CMOS IMAGE SENSOR

CMOS IMAGE SENSOR Sony IMX290LLR, monochrome,

SENSOR SIZE 6.46mm diagonal

PIXEL SIZE 2.9 m x 2.9 m

NUMBER OF EFFECTIVE PIXELS 2.13 M

ONBOARD COMPUTER

PRIMARY ARM

CORE 2x Cortex

SECONDARY ARM

CORE 1x Cortex-M7 up to 600 MHz

RAM 512 MB

ROM 4 GB

GPU GC7000UltraLite

OPERATING TEMPERATURE -25°C to 85°C

PORTS

AUX: For connection to Celestron mounts

USB C For PC connection to focus, see Live View,

HOUSING

HOUSING Aluminum with plastic covers, threads for

back-illuminated

-A53 up to 1.4 GHz

and update ﬁ rmware

2" ﬁ lters

ENGLISH |