Escort 3136A Operation Manual page 48

Measuring AC voltage and frequency on an AC circuit.
To display AC voltage in primary display and the frequency in secondary
display or vise versus while measuring an AC signal, user may check AC
voltage and its frequency of an AC Power Supply or circuit by taking a
single meter.
1.
2. Connect the meter to the unit under test as shown below:
3. to select frequency measurement for secondary display.
4. ,
primary display as necessary.
Notes:
1. Press then followed by
2. Regarding secondary display function setting, please refer to Section 3-6.
to select AC voltage measurement function for primary display.
or to select auto-ranging or manual range for
may turn off secondary display directly.
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POWER