Reference
16
CMC251 User Manual
Pressing the RESET button clears the display and resets the count
back to zero. The count resumes when the RESET button is
released.
Remote Control of TOTAL Mode
Refer to Figure 5 for the setup diagram for remotely controlling the
TOTAL mode.
1. Perform Steps 1 through 4 of Counting Events on page 15.
2. Connect a signal source that can apply TTL logic levels of low
and high (0 V and +5 V) to the external input connector.
CAUTION.
To avoid damage to the CMC251 Frequency Counter,
ensure that the maximum voltage into the rear panel input is no more
than +5 V (TTL logic level).
Signal source
TTL Signal source
CMC251
To External Input
connector (on rear panel)
CHANNEL A
INPUT
Figure 5: Setup for Remote Control of TOTAL modes
Summary of Contents for CMC251
Page 1: ...User Manual CMC251 1 3 GHz Frequency Counter 070 8527 03...
Page 4: ......
Page 10: ...General Safety Summary vi CMC251 User Manual...
Page 18: ...Getting Started 8 CMC251 User Manual...
Page 28: ...Reference 18 CMC251 User Manual...
Page 34: ...Appendix A Specifications 24 CMC251 User Manual...