1503C MTDR User Manual
B–1
Appendix B: Operator Performance Checks
This appendix contains performance checks for many of the functions of the 1503C.
They are recommended for incoming inspections to verify that the instrument is
functioning properly. Procedures to verify the actual performance requirements are
provided in the 1503C Service Manual.
Performing these checks will assure you that your instrument is in good working
condition. These checks should be performed upon receipt of a new instrument or
one that has been serviced or repaired. It does not test all portions of the instrument
to Calibration specifications.
The purpose of these checks is not to familiarize a new operator with the instrument.
If you are not experienced with the instrument, you should read the Operating
Instructions chapter of this manual before going on with these checks.
If the instrument fails any of these checks, it should be serviced. Many failure modes
affect only some of the instrument functions.
Item
Tektronix Part Number
50 precision terminator
011-0123-00
93 10-foot coaxial cable
012-1351-00
Disconnect any cables from the front-panel CABLE connector. Connect the
instrument to a suitable power source (a fully charged battery pack or AC line
source). If you are using AC power, make sure the fuse and power switch are correct
for the voltage you are using (115 VAC requires a different fuse than 230 VAC).
Pull the POWER switch on the front panel. If a message does not appear on the
display within a second or two, turn the instrument off. There are some failure modes
that could permanently damage or ruin the LCD if the power is left on for more than
a minute or so. Refer to Appendix C: Operator Troubleshooting in this manual.
Option 05 instruments default to metric; however, you can change the metric scale
to ft/div in the Setup Menu or use the metric numbers provided. To change the
readings, press the MENU button. Using the
n
o
POSITION control, scroll down to
Setup Menu and press MENU again. Scroll down to Distance/Div is: m/div and press
MENU again. This will change to ft/div. Press the MENU button repeatedly to
return to normal operation mode. If the instrument power is turned off, these checks
must be repeated again when the instrument is powered on again.
Equipment Required
Getting Ready
Power On
Metric Instruments
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