Batteries also self discharge slowly,therefore they must be recharged periodically, e.g. If the ENVI PRO is left in adischarged state, for even a few days, you will need to replace the deep-dischargedbattery with a new one (Scintrex p/n 400078 or 400080).Warning: The small current drain just mentioned above is the reasonwhy the battery MUST BE DISCONNECTED FOR SHIPMENTAND STORAGE. However, theinstrument draws a small current even when turned off. It should then be recharged as soon as possible. This occurs when the battery is fully discharged and left dischargedfor an extended period.To prevent deep discharge in the ENVI PRO, electronic circuitry monitors the batteryvoltage and shuts the instrument down when the battery has reached it’s loweroperating level. However, the main source of trouble with these batteries isdeep discharge. They can provide power through a few hundredcharge/discharge cycles. These are a reliable power source whenproperly maintained. You will then see the Block memory freeincrement on the prompt line as it is cleared.Ĭhapter 9 Maintenance and RepairBattery ChargingThe ENVI PRO uses lead-acid batteries. Data Outputincluding the TIE-PT data.You will be asked to confirm that you actually wantto erase all the data from memory by pressing theY key.
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