Extech Instruments 420 Especificaciones Pagina 93

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93
V5.1‐March2010
SELECTING THE AUTOMATIC / MANUAL RANGE MODES
The default mode of the instrument is the automatic range. To switch to the manual
range, perform the following steps:
1. Repeatedly press the F1 MANUAL soft-key until the desired range is selected on the
meter’s display. MANUAL will be displayed on the upper left hand corner of the
meter’s display when in the manual mode
2. In the manual range mode, the measuring range is increased by one stage with each
press of the F1 key. When the highest range is reached, the meter jumps to the
lowest range
3. Press the F3 soft-key to select the AUTO range mode. AUTO will display on the
upper left side of the screen.
Refer to the display example in Figure 13.
Figure 13: Automatic/Manual Range Adjustment
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