Tegam 720A, Operation Manual

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Operating Instructions
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Auto-Hold Function
The Auto Hold function allows the user to take a measurement, have the unit determine a
stable reading, and hold that value. Once the user is ready to make the next measurement,
is pressed momentarily to clear the last reading from the display and re - initiate Auto -
Hold mode .
To use the Auto - Hold Function:
1. Press (1.5s) to initiate Auto - Hold mode .
The unit will not initiate Auto - Hold mode if it is already in Hold mode. If the HOLD
indicator is solid, simply press to exit Hold mode and try initiating Auto - Hold
mode again .
2. The HOLD indicator will begin to flash.
3. If the unit is not connected to a Device Under Test (DUT) :
a. “----- ” will appear on the display.
b. Connect leads to DUT .
4. When the unit detects a connection, the display of the unit will go blank, then
begin to cycle . The cycling animation on the display indic ates that the unit is
taking measurements of the DUT.
5. Once a stable value has been determined and the measurement is completed, the
unit will display the reading of the DUT along with PASS/FAIL status (if enabled) .
6. The determined reading and status are temporarily saved and will stay displayed
unless is pressed or the unit is power - cycled .
7. Press to re - activate Auto - Hold mode.
8. The HOLD indicator will begin to flash.
9. If the unit has been disconnected from the DUT, “----- ” will appear on the display.
10. The unit is ready to take another measurement.
To exit Auto - Hold mode, press (1.5s) . The HOLD annunciator will turn off. The unit
is now in normal operating mode.
For best results, put unit in Auto - Range when using Auto - Hold.