7QUALIFIED SERVICEOnly qualified personnel may install or repair thisproduct.ENHANCEMENTS AND BATTERIESUse only approved enhancements and batteries. Do notconnect incompatible products.WATER-RESISTANCEYour device is not water-resistant. Keep it dry.■ About your deviceThe wireless device (RM-430) described in this guide is approvedfor use on the CDMA 1900 network. Contact your service providerfor more information about networks.When using the features in this device, obey all laws and respectlocal customs, privacy and legitimate rights of others, includingcopyrights.Copyright protection may prevent some images, music, and othercontent from being copied, modified, or transferred.Warning: To use any features in this device, the devicemust be switched on. Do not switch the device on whenwireless device use may cause interference or danger.