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The PRF setting will automatically be overridden according to the value of RANGE you have set.
Long RANGE settings will slow down the PRF automatically.
Note: Slower PRF settings use less electrical power, therefore if your current application does not
need fast scanning speeds, selecting a slower PRF will help conserve battery life.
To adjust the Pulse Repetition Frequency setting:
1.
MENU/PRB/MAX PRF
2.
Use LEFT and RIGHT to adjust the value of MAX PRF.
3.
Press MEAS to return to the measurement screen, ready to begin taking readings.
23.5 DAMPING
Your gauge has a damping function which adjusts the input impedance of the receiver. This enables
you to optimise the gauge to suit the transducer for better signal quality at various frequencies. The
damping settings are 50, 75, 100, 300, 600 and 1500 ohms.
To adjust the DAMPING setting:
1.
Press MENU/PRB/DAMPING.
2.
Use LEFT and RIGHT to adjust the value of DAMPING.
3.
Press MEAS to return to the measurement screen, ready to begin taking readings.
23.6 FILTERS ( gauges only)
Your gauge has a range of filters; one wide band filter of 1.8 MHz to 19 MHz and narrow band filters
at 2 MHz, 5 MHz and 10 MHz. The wide band option is responsive to all signals within the given
frequency range. Narrow band filters eliminate signals outside of the target filter frequency, and
focus on the output of the transducer at the specified frequency.
To adjust the FILTERS setting:
1.
MENU/TUNE/FILTERS.
2.
Use LEFT and RIGHT to adjust the value of FILTERS.
3.
Press MEAS to return to the measurement screen, ready to begin taking readings.
23.7 PEAK HOLD
Your gauge has a function which draws and saves the maximum waveform amplitude on the
measurement screen. This allows you to locate the maximum signal amplitude more easily while
you move the transducer over the surface in all directions.
To use the PEAK HOLD function while you are searching for flaws:
Press MULTI MODE/PEAK/MEAS.
To cancel PEAK HOLD:
Press MULTI MODE/NORMAL/MEAS.
23.8 FREEZE WAVEFORM
Your gauge has a function which takes a snapshot of the waveform currently being displayed on
the screen. When the snapshot has been taken and the waveform is frozen on the measurement
screen, you can then safely remove the transducer from the test material without losing the current
waveform. This enables you to study the waveform in more detail.
To FREEZE the waveform currently being displayed:
Press MULTI MODE/FREEZE/ENTER.
The measurement screen displays the snapshot of the waveform.
To cancel FREEZE:
Press MULTI MODE/NORMAL/MEAS.
