iSAFETY SUMMARYWARNINGSThe Matrx by Parker DIGITAL MDM® mixer is a specialized medical device and should be operated ONLY by aprofessional trained in the use of nitrous oxide. Nitrous oxide and oxygen mixtures should only be administered byor under the supervision of a medical professional.The Matrx by Parker DIGITAL MDM mixer is designed for use with an oxygen supply assuring 100% medicaloxygen concentration. The use of other oxygen sources (i.e., oxygen concentrators) could result in an unsafecondition to the patient.Although this analgesia machine is designed to prevent the interchanging of the two gases, it is the responsibilityof the user to determine that only oxygen flows into the oxygen connection and only nitrous oxide flows into thenitrous oxide connection located on the back of the analgesia head.ELECTRICAL CONNECTIONS & GROUNDING INSTRUCTIONSThe unit must be grounded. If it should malfunction or breakdown, grounding provides a path ofleast resistance for electrical current to reduce the risk of electric shock.A known Protective Earth (ground) connection must be made via one of the following methods:1) The third wire on the power cord when plugged into an appropriate outlet that is properlyinstalled and grounded in accordance with all local codes or ordinances.2) The external ground lug on the rear of the device.A Protective Earth (ground) connection is a connection attached to the facility grounding pointoutside the facility. A licensed electrical person should be consulted to confirm the ProtectiveEarth (ground) connection.Do not use an electrical cord with nicks, cuts, or other damage. Do not use the unit with anextension cord as it will be subject to electromagnetic interference (EMI).BAG TEE REQUIREMENTSA bag tee containing an air inlet valve is required for use with this unit. The bag tee is factorymounted on the unit or provided separately for remote mounting. Matrx by Parker ScavengingNasal Inhalers provide the patient connection.CAUTIONSFACTORY SETTINGSDo not change any internal factory set adjustments. The Matrx DIGITAL MDM mixer is adjusted and calibrated forproper operation prior to shipment. Any change could alter the specified operation and accuracy.FACILITY PIPINGThe user MUST perform tests independent of the dealer or contractor to verify that all pipelines are connectedcorrectly. If you are unfamiliar with piping systems, order Matrx manual 10311700. The user has the ultimateresponsibility for properly connected pipelines essential to patient safety.DIAMETER INDEXED SAFETY SYSTEMGas connections in the DIGITAL MDM mixer are mechanically indexed using the Diameter Indexed SafetySystem (DISS). This feature helps to prevent the crossing of pipelines. Under no circumstances should theseconnections be altered.DISCONNECT POWERThere are no user-serviceable parts inside this unit. A shock hazard exists if power is notdisconnected prior to any internal servicing or maintenance. Always disconnect the powersource before inspection or repair.ALARM TESTThe user should test the alarm system for proper operation prior to each clinical use.