DMTA-10040-01EN, Rev. E, February 2018
Using the Instrument
239
Figure 5
‑
166 The verified signals: thru
‑
wall hole (
left
) and support ring (
right
)
To calibrate the signals for frequency 2
1.
Press the DISP menu key (
), followed by
CHANNEL
(B key), and then rotate
the knob until
FRQ2
is displayed.
2.
Access the
MIX
menu by pressing the MAIN FILTER menu key (
) twice to
check the frequency 2 value.
When you use the
MIX
function, the frequency 2 value must be at least one-half of the
frequency 1 value.
3.
Place the probe in a defect-free area near the tube’s support ring, and then press
the NULL foot switch.
4.
Scan the support ring and, if necessary, adjust the combined gain (
H/V GAIN 2
)
of frequency 2 to make sure that the signal does not exceed 80 % of full-screen
height.
5.
When you obtain a satisfactory signal, press the FREEZE key (
) to enable
signal acquisition (see Figure 5-167 on page 240).
NOTE
Summary of Contents for nortec 600
Page 8: ...DMTA 10040 01EN Rev E February 2018 Table of Contents viii...
Page 16: ...DMTA 10040 01EN Rev E February 2018 Labels and Symbols 6...
Page 30: ...DMTA 10040 01EN Rev E February 2018 Introduction 20...
Page 58: ...DMTA 10040 01EN Rev E February 2018 Chapter 1 48...
Page 71: ...DMTA 10040 01EN Rev E February 2018 Software User Interface 61 Press the Return key to exit...
Page 72: ...DMTA 10040 01EN Rev E February 2018 Chapter 2 62...
Page 342: ...DMTA 10040 01EN Rev E February 2018 Chapter 7 332...
Page 356: ...DMTA 10040 01EN Rev E February 2018 Appendix B 346...
Page 366: ...DMTA 10040 01EN Rev E February 2018 List of Figures 356...
Page 368: ...DMTA 10040 01EN Rev E February 2018 List of Tables 358...
