Vanguard Tri-Phase - Manual (Page 114)

TRI-PHASE OPERATING™ INSTRUCTIONS
114
20.1 Test Frequency Selection
The TRI-PHASE™ has the capability to output two different test frequencies of 50 Hz or 60 Hz.
The test frequencies are generated by an internal oscillator. The test frequencies are selected either
when using the “Computer Interface Mode” or from the keypad.
1. 60 Hz .
2. 50 Hz
Figure 73.0 Test Frequency Selection Menu
a. Description: The operator selects the desired test frequency (50 Hz or 60 Hz). The default
frequency of 60 Hz is set at power-on.
b. Origin: From “Setup Menu” select menu option 3. Selection of 3 may be made by turning
the Control Knob. Push down the Control Knob after 3 is selected.
c. Action Options: Press key 1 or push down the Control Knob to select 60 Hz. Press key
number 2 to select 50 Hz. Selection of number 2 may be made by turning the Control Knob.
Push down the Control Knob after number 2 is selected.
d. Action To Perform: Select menu option 1 for this example.
NOTE:
After a test frequency is selected, the TRI-PHASE™ will continue to use it until another test
frequency is selected or the unit is powered-down.