Greenlee DM-500 Manuel D'instructions page 6

Identification
1. Display 4-digit LCD (maximum reading is 9999) and bar graph
2. Hold Press momentarily to hold the present value on the display;
Rec press and hold to begin recording
Rel ∆
3. Press momentarily for Relative Zero function; press and hold to
%4-20mA activate the Industrial Process Control Loop Current function
4. Selector Selects a function or turns power OFF
Positive input terminal for all measurements except current and T2
5. +
Negative, common or ground input terminal for all measurements except T2
6. COM
µA mA
7. Positive input terminal for low current measurements and T2
8. Positive input terminal for high current measurements and T2
9. Range Selects automatic or manual ranging;
T1-T2 selects T1, T2 or T1-T2 when measuring temperature
10. Select Press momentarily to select the secondary functions;
press and hold to select amps when measuring current
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