Delta OHM HD2107.1, Operating Manual

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HD2107
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V2.3
HD2107.2
1. Input for probes, 8-pole DIN45326 connector.
2. External auxiliary power supply connector input.
3. Battery symbol: displays the battery charge level.
4. Function indicators.
5. Secondary display line.
6. HOLD/ key: freezes the measurement during normal operation; in the menu, increases the
current value.
7. FUNC key: displays the maximum (MAX), the minimum (MIN) and the average (AVG) of cur-
rent measurements. When pressed together with the UNIT/UserCal key, starts the calibration
procedure for the probe connected to the instrument.
8. REL/ key: enables the relative measurement (displays the difference between the current
value and the logged value when the key is pressed); in the menu, decreases the current value.
9. SERIAL/ERASE LOG key: starts and ends data transfer to the serial communication port. In
the menu, clears the data contained in the instrument's memory.
10. LOG/DUMP LOG key: during normal operation, starts and ends the saving of the data in the
internal memory; in the menu, starts the data transfer from the instrument's memory to the PC.
11. Mini-USB type B connector for USB 2.0. For the connection to PC (with cable CP23).
12. MENU key: allows access to and exit from the menu.
13. ENTER key: in the menu, confirms the current selection.
14. UNIT/USER CAL key: during normal operation, selects the unit of measurement for the tem-
perature between °C, °F or °K; when pressed together with the FUNC key, starts the calibration
procedure for the probe connected to the instrument.
15. ON-OFF/AUTO-OFF key: turns the instrument on and off; when pressed together with the
HOLD key, disables the automatic turn off.
16. MAX, MIN and AVG symbols.
17. Main display line.
18. Line for symbols and comments.
19. 8-pole MiniDin connector for RS232C. For the connection to PC (with cable HD2110CSNM or
C206) or printer (with cable HD2110CSNM).