TECHNICAL MAINTENANCE AND STORAGE
Maintenance should be carried out at least twice a year and include the following steps:
• Wipe the exterior metal and plastic surfaces with a cotton cloth to remove dust and dirt.
• Clean the electrical contacts of the rechargeable battery on the device using a non-greasy organic
solvent.
• Check the eyepiece and the lens and if required remove dust and dirt from the optics (preferably using a
non-contact method). Cleaning of the exterior surfaces of the optics should only be done with products
specifically designed for this purpose.
• Always store the device in its carrying case in a dry, well-ventilated space. For prolonged storage,
remove the batteries.
TROUBLESHOOTING
The device does not turn on
Possible cause
The battery is completely discharged.
Solution
Charge the battery.
The device does not operate from an external power source
Possible cause
The USB cable is damaged.
Solution
Replace the USB cable.
Possible cause
The external power supply is discharged.
Solution
Charge the external power supply (if necessary).
Blurred image with vertical stripes or an uneven background
Possible cause
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