JVC GY-HM620U Instruction Manual - Page 15

Introduction Precautions for Proper Use Storage and Usage Locations o Allowable ambient temperature and humidity Be sure to use this unit within the allowable temperature range of 0 °C to 40 °C (32 °F to 104°F) and a relative humidity of 30 % to 80 %. Using this unit at a temperature or humidity outside the allowable ranges could result not only in malfunction but also serious impact on the CMOS elements as small white spots may be generated. Please exercise care during use. o Strong electromagnetic waves or magnetism Noise may appear in the picture or audio and/or the colors may be incorrect if this unit is used near a radio or television transmitting antenna, in places where strong magnetic fields are generated by transformers, motors, etc., or near devices emitting radio waves, such as transceivers or cellular phones. o Use of wireless microphone near this unit When a wireless microphone or wireless microphone tuner is used near this unit during recording, the tuner could pick up noise. o Avoid using or placing this unit in the following places. 0 Places subject to extreme heat or cold 0 Places with excessive dirt or dust 0 Places with high humidity or moisture 0 Places subject to smoke or vapor such as near a cooking stove 0 Places subject to strong vibrations or unstable surfaces 0 In a parked car under direct sunlight or near a heater for long hours o Do not place this unit at places that are subject to radiation or X-rays, or where corrosive gases occur. o Protect this unit from being splashed with water. (Especially when shooting in the rain) o Protect this unit from getting wet when shooting on a beach. In addition, salt and sand may adhere to the body. Be sure to clean the unit after use. o Protect this unit against penetration of dust when using it in a place subject to sandy dust. Transportation o Do not drop or hit this unit against a hard object when transporting. Power Saving o When this unit is not in use, be sure to set the [POWER ON/OFF(CHG)] switch to "OFF(CHG)" in order to reduce power consumption. Maintenance o Turn off the power before performing any maintenance. o Wipe the external cabinet of the unit with a soft cloth. Do not wipe the body with benzene or thinner. Doing so may cause the surface to melt or turn cloudy. When it is extremely dirty, soak the cloth in a solution of neutral detergent, wipe the body with it, and then use a clean cloth to remove the detergent. Rechargeable Battery o Be sure to use only the specified batteries. We do not guarantee the safety and performance of this device if an unspecified battery is used. o For details, refer to the "INSTRUCTIONS" of the battery. o ATTENTION: The product you have purchased is powered by a rechargeable battery that is recyclable. Please call 1-800-8-BATTERY for information on how to recycle this battery. Regular Inspection (Maintenance) o Under normal environment, dust will accumulate on the camera recorder when it is used over a long period. Dust may enter the camera recorder especially if it is used outdoors. This may affect the image and sound quality of the camera recorder. Check and replace the fan after every 9000 hours (suggested guideline). You can check the usage time of the fan in [System] B [System Information] B [Fan Hour]. (A P117 [ Fan Hour ] ) If the fan is used for more than 9000 hours without replacement, "Fan Maintenance Required" will be displayed every time you turn on the power. Encryption in Network Connection a o Wireless LAN connections make use of an encryption function. This encryption is designed for commerciallysold equipment, and it cannot be altered. 15