Simple Logger ® AmpFlex® Current Probes7Battery InstallationUnder normal conditions, the battery will last up to 6 months ofcontinuous recording unless the logger is restarted very frequently.In the OFF mode, the logger puts almost no load on the battery. Use theOFF mode when the logger is not in use. Replace the battery every sixmonths in normal use.If the logger will be used at temperatures below 32°F (0°C) or isfrequently turned on and off, replace the battery every three to fourmonths.1. Make sure your logger is turned off (no light blinking) and allinputs are disconnected.2. Turn the logger upside down. Remove the four Phillips headscrews from the base plate, then take off the base plate.3. Locate the two-wire (red/black) battery connector and attach the9V battery to it. Make sure that you observe polarity by lining upthe battery posts to the proper terminals on the connector.4. Once the connector is plugged onto the battery, insert the batteryinto the holding clip on the circuit board.5. If the unit is not in record mode after installing the new battery,disconnect it and press the button twice then reinstall the battery.6. Reattach the base plate using the four screws removed in steptwo.Your logger is now recording (LED blinking). Press the test button for 5seconds to stop the instrument.Note: For long-term storage, remove the battery to prevent dischargeeffects.OperationPosition the AmpFlex® sensor around the conductor to be measured. Besure that the positioning of the logger sensor does not violate theminimum allowable bending radius of 0.75 inches (19mm).Next, press the start/stop button on the front of the unit to begin therecording session. The indicator light will double blink to indicate that therecording session has started. When the recording session has beencompleted, press the start/stop button to end the recording. The indicatorlight will single blink to indicate that the recording session has ended andthe unit is in stand-by. Remove the logger from the conductor andtransport it to the computer for data downloading. See the User Guide fordownloading instructions.