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5.2.4 UseThe PGP201 potentiostat is fully controlled from a personal computer with theVoltaMaster 4 Electrochemical Software. Section 4 “VoltaMaster 4” of this User’sManual describes how to create and run an experiment.The operating instructions for use of the PGP201 as stand alone instrument aredescribed in the PGP201 User’s Manual. The use of additional equipment anexternal signal generator is described in Section 6.5.2.5 Troubleshooting1. Replace battery - Press any keyThe battery is running down and should be replaced. Do not switch off thePGP201 and replace the battery as described below:. Unscrew the “Li-Battery” cap, it is automatically released.. Check that the battery has been positioned with the + sign in contact with theinside of the cap (if this is not the case, and with some batteries (e.g. the SAFTLS6 battery), the memory back-up circuit cannot be supplied).. If the battery has been correctly inserted, remove it and replace it with a newone (3.5 V lithium type SAFT LS6 battery): the battery should be positionedwith the + sign in contact with the inside of the cap.. Refit the cap (the cap slot must be in horizontal position).2. Reverse battery - Press any keyDo not switch off the PGP201 and remove the battery as described above. Refit itwith the + sign in contact with inside of the cap.Warning!if the PGP201 has been switched off before removing the battery, it is necessaryto switch it on for a few seconds, straight after changing or replacing the battery,otherwise there is a risk of the battery discharging quickly as it is the battery whichsupplies the microprocessor.VoltaLab 21/06/10/40/50/80 143Section 5, Chapter 2: The PGP201 Potentiostat/Galvanostat