How do I choose the right size WandererCover V4-EC IR for my telescope?
To ensure full illumination and proper fit, you must measure the outer diameter of your telescope's dew shield. Select a WandererCover V4-EC IR model with a luminous diameter that is equal to or larger than your measurement. For example, if your 100mm refractor has a dew shield with an outer diameter of 120mm, you should choose the 125mm model.
Can I use the WandererCover V4-EC IR with a ZWO ASIAIR?
Yes, the infrared remote control is specifically designed for this purpose. You can power the cover with a 12V source and use the IR remote to open and close it without needing a USB connection to the ASIAIR. However, note that this cover is not compatible with the ASIAIR that is built into ZWO's "Air" series cooled cameras.
What is the main advantage of the WandererCover V4-EC IR's built-in encoder?
The high-precision micro-encoder provides real-time positional feedback. This allows you to remotely verify the exact angle of the cover, confirming it is fully open for imaging or securely closed at the end of a session. This removes any guesswork and is a critical feature for remote and automated observatories.
How does the WandererCover V4-EC IR prevent banding in flat frames from my CMOS camera?
The WandererCover V4-EC IR uses a controller with a high-frequency Pulse-Width Modulation (PWM) signal to dim the flat-field panel. This high frequency is too fast for the rolling shutter of a CMOS sensor to detect, which prevents the horizontal or vertical banding artifacts that can occur with slower PWM dimmers during short exposures.
Do I need a USB cable to operate the WandererCover V4-EC IR in the field?
No. For basic open and close functions, you only need a 12V power supply. The included infrared remote handles the commands, making it perfect for portable setups. A USB cable is only required if you want to control the cover via a computer using its ASCOM driver.
What happens if the WandererCover V4-EC IR hits an obstacle while opening or closing?
The cover has an automatic detection feature that can sense obstacles and set the open/closed positions accordingly. However, Wanderer Astro advises that this should only be used as a last resort when you cannot see the cover to set the limits manually. The success of automatic detection can be affected by many factors, and manual setup is always more reliable.