NAVI D-25 Instruction Manual page 10

6.5.2 More troubleshooting .................................................................... 166
7 Reference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173
7.1 pH measurement............................................................................. 174
7.2 mV (oxidation-reduction potential [ORP]) measurement............ 180
7.3 Ion measurement ............................................................................ 186
7.4 Conductivity measurement............................................................ 190
7.5 Dissolved oxygen measurement................................................... 197
7.6 Specifications ................................................................................. 200
7.7 Default settings............................................................................... 202
7.8 Operation flowcharts...................................................................... 203
7.9 Pin layout of special cables......................................................... 207
7.9.1 RS-232C communications cable ................................................ 207
7.9.2 Cable for CITIZEN printer ............................................................. 207
7.9.3 Cable for SEIKO printer ................................................................ 207
7.10 Spare and optional parts.............................................................. 208
7.10.1 Spare parts list ........................................................................... 208
7.10.2 Options ......................................................................................... 215
D-52/53/54/55
CONTENTS
VII