• Press Sensor Setup then press Change Sensor
opposite your chosen measuring channel. (If this is new
sensor that has not yet been defined in the instrument you
will need to create a sensor definition before you can assign
it to a channel. See Defining and Editing Sensors on page
101.)
• Use the arrow keys to highlight a sensor then press to
assign it to your channel.
• To enable the channel for measuring, press the left-hand key
beside your chosen channel. The text will change from --- to
'Enabled' to indicate that this channel can now be used to
take measurements.
• Press twice to return to the Main Menu.
Multi-channel measurements
To take simultaneous measurements, follow the procedure described
previously and enable as many channels as required.
Explaining Spectrum Parameters
Fmax
The Fmax is the maximum frequency displayed on the spectrum i.e.
the frequency range, starting from zero, over which vibration
amplitudes are displayed.