4.7 Continuity Measurement ..............................................................31
4.8 Soil Resistivity Measurements .....................................................32
4.9 Soil Resistivity Measurement Procedure
(4-Point)
................................33
4.10 Multiple Electrode System ...........................................................36
5. MAINTENANCE ....................................................................38
5.1 Warning
.......................................................................................38
5.2 Power Supply ...............................................................................38
5.2.1 Testing Battery Voltage
....................................................38
5.2.2 Average Operating Time ..................................................38
5.2.3 Recharging Built-In Battery .............................................39
5.2.4 Power Supply from External Battery
...............................39
5.2.5 Replacing Battery ............................................................39
5.2.6 Changing the Supply Voltage (110/220V
AC
)
...................40
5.2.7 Replacing the Supply Fuse .............................................41
5.2.8 Replacing the Safety Fuse ..............................................41
5.3 Cleaning .......................................................................................42
5.4 Storage ........................................................................................42
Repair and Calibration ..........................................................................43
Technical and Sales Assistance ...........................................................43
Limited Warranty ...................................................................................44
Warranty Repairs ..................................................................................44