HT Instruments HT79 Manuel D'utilisation page 30

5.3. RESISTANCE MEASUREMENT
Before attempting any resistance measurement, remove power from the
circuit under test and discharge all capacitors, if present.
Fig. 6: Use of the instrument for Resistance measurement
1. Select the position. 
2. Insert the red cable into input terminal V
COM.
3. Position the test leads in the desired spots of the circuit to be measured (see Fig. 6).
The display shows the value of resistance.
" "
4. Symbol OL.
instrument.
5. To use the HOLD function, please refer to § 4.3.1.
appearing on the display indicates the overload condition of the
CAUTION
and the black cable into input terminal
EN - 10
HT79