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ST VA40 - Function Description; General Functions; DATA HOLD Mode; Manual Ranging and Autorange Mode

ST VA40
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6000 COUNTS DIGITAL MULTIMETER
USER'S MANUAL
10
2. Press it again; the LCD will display the Maximum Value.
3. Press it again; the LCD will display the Minimum Value.
4. Press and hold it for two seconds, the meter will return to normal measurement state.
(Except Hz/Duty and Capacitance)
3. FUNCTION DESCRIPTION
3.1 General Functions
3.1.1 DATA HOLD mode
Data Hold mode makes the meter stop updating the display. Enabling Data Hold function in autorange mode makes
the meter switch to Manual ranging mode, but the full-scale range remains the same. Data Hold function can be
cancelled by changing the measurement mode, pressing RANGE key, or push
key again.
To enter and exit the Data Hold mode:
1. Press
key (short press). Fixes the display on the current value, H is displayed.
2. A second short press returns the meter to normal mode.
3.1.2 Manual ranging and Autorange mode
The Meter has both manual ranging and autorange options.
* In the autorange mode, the Meter selects the best range for the input detected. This allows you to switch test points
without having to reset the range.
* In the manual ranging mode, you select the range. This allows you to override autorange and lock the meter in a
specific range.
* The Meter defaults to the autorange mode in measurement functions that have more than one range. When the
Meter is in the autorange mode, AUTO is displayed.
To enter and exit the manual range mode:
1. Press RANGE key. The Meter enters the manual ranging mode. AUTO turns off. Each presses of RANGE key
increments the range. When the highest range is reached, the Meter wraps to the lowest range.