Unsafe Voltage; Battery Saver (Sleep Mode); Rotary Switch Positions - Fluke 1507 User Manual

Unsafe Voltage

To alert you to the presence of a potentially hazardous
voltage, when the Tester detects a voltage ≥ 30 V in
insulation test, ≥2 V in resistance, or a voltage overload
(), the  symbol is displayed.
Battery Saver  (Sleep Mode)
The Tester enters the "Sleep mode" and blanks the
display if there is no function change or button press for
10 minutes. This is done to conserve battery power. To
resume operation, turn the rotary switch to OFF and then
turn to any function.
The 10-minute timer is disabled during any insulation
resistance or earth bond resistance measurement. The
time period starts immediately following any
measurement.
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Rotary Switch Positions

Turn the Tester on by selecting any measurement
function. The Tester presents a standard display for that
function (range, measurement units, modifiers, etc.). Use
the blue button to select any rotary switch alternate
functions (labelled with blue letters). Rotary switch
selections are shown in Figure 1 and described in Table 2.
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Insulation Testers
Unsafe Voltage
Figure 1. Rotary Switch
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