7CARE AND MAINTENANCE• Harsh chemicals may damage the touch screen. Clean the touch screen andexterior as needed with a soft cloth dampened with glass cleaner. Apply thecleaner to the cloth and then wipe the screen gently.• Removing power from the field computer without shutting down may result indamage to the unit which will require the field computer to be returned forservice.• To avoid scratching the touch screen, do not use any type of sharp instrument.• Store the field computer in a dry environment when not in use.• Damage to the field computer may occur if the USB ports are used to chargemobile devices such as cellular phones, tablets, or mp3 devices. USB ports shouldonly be used for performing file transfer and maintenance.• Route cables to prevent tripping hazards and to keep wires from pinching orbreaking.• When temperatures are expected to be 10° F (-12° C) or lower, remove the fieldcomputer from the vehicle and store it in a climate controlled environment.• Even when powered down, the field computer will draw a small amount of powerfrom the vehicle battery. If the machine will not be in operation for an extendedperiod of time (e.g. more than a couple weeks), disconnect the power cable fromthe back of the field computer.Certifications • CE• E-Mark • CEAt Raven Industries, we strive to make your experience with our productsas rewarding as possible. One way to improve this experience is to provideus with feedback on this manual. Your feedback will help shape the futureof our product documentation and the overall service we provide. Weappreciate the opportunity to see ourselves as our customers see us andare eager to gather ideas on how we have been helping or how we can dobetter. To serve you best, please send an email with the followinginformation totechwriting@ravenind.com-CRX™ Operation Guide-Manual No. 016-0171-664 Rev. F-Any comments or feedback (include chapter or page numbers ifapplicable).-Let us know how long have you been using this or other Raven products.We will not share your email or any information you provide with anyoneelse. Your feedback is valued and extremely important to us.