Celestron Nexstar Evolution 12090 Instruction Manual page 6

PREREQUISITES
• AC outlet to charge the telescope with the supplied AC power adapter
• An Apple iOS device with iOS 7 0 and later or an Android device with Android 4 0 if used without the included Nex-
Star+ hand control
• Free download of Celestron SkyPortal app from the App Store or Google Play if used without the included NexStar+ hand
control
• Phillips head screwdriver to install the StarPointer red dot finder
SOLAR WARNING
• Never look directly at the Sun with the naked eye or with a telescope (unless you have the proper solar filter) Permanent
and irreversible eye damage may result
• Never use your telescope to project an image of the Sun onto any surface Internal heat build-up can damage the telescope
and any accessories attached to it
• Never use an eyepiece solar filter or a Herschel wedge Internal heat build-up inside the telescope can cause these devices
to crack or break, allowing unfiltered sunlight to pass through to the eye
• Never leave the telescope unsupervised Make sure an adult who is familiar with the correct operating procedures is with your
telescope at all times, especially when children are present
BATTERY CAUTION
This product contains a long life lithium iron phosphate battery "LiFePO4" The battery includes numerous built-in safety
features including protection against overcharging and overdischarging, and overheating If reasonable care is used, the
battery should last thousands of charge cycles without the need to replace it To benefit from the maximum battery life, note the
following recommendations:
• Charge the battery to full as soon as you receive the telescope.
• Only use the included power supply to charge the battery, or an FCC and CE certified 12VDC power supply with
at least 2 Amperes of current.
• Do not leave the battery fully discharged or low for an extended period of time.
• Keep the battery charged every 3 to 6 months.
• Do not store the battery above 140ºF/60ºC.
6 I
ENGLISH