Leupold Rx-600 - Manual (Page 6)

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The Leupold RX-600 and RX-750 6x22mm rangefinders employ an eye safe
FDA Class 1 and CE Class 3A laser in their operation . Even so, there are a few
precautions that are important to remember:
Do not depress the POWER button while aiming at a human eye or while •
looking into the optics from the objective side
Do not leave the rangefinders within the reach of small children •
Do not take the product apart as it has a self-protection device in the •
electronic control module and may cause an electric shock
Do not attempt to use any power source other than a CR2 battery •
(or equivalent) — the RX-600 and RX-750 rangefinders are designed to
prohibit accessing any other external power supply
Safety and Operation Precautions