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Operating Your Instrument
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Keysight 53147A/148A/149A Operating and Programming Guide
Model Number, Firmware Version, Serial Number, and Option Codes
This menu item displays a series of numbers and codes that are used to identify
the instrument, its software version number, and the options that are installed.
These items are displayed sequentially, and you use the left- and right-arrow keys
to move between the information fields. The flashing annunciators at either end of
the first line of the display indicate that you can use the equivalent arrow key to
scroll left and/or right to the next field of information.
The option-code display lists the code number for each of the installed options.
For example, in a instrument that has the Battery and Oven Timebase options
installed, the display would show:
<OPTNS 1-2- - ->
.
Operating Hours
(OP HOURS)
This is an informational menu item that displays the total number of hours the
instrument has been in operation since its last calibration. This value does not
include Standby hours. This information is useful for scheduling routine
maintenance and calibration. For additional information on maintenance and
calibration, see the
Assembly-Level Service Guide
.
Battery Voltage
(BATT VOLTAGE)
If the Battery Option (Option 002) is installed, the current battery voltage is
displayed in digital and analog form in this menu item, so you can estimate the
remaining time that the instrument can operate from the batteries. The batteries
are fully charged when the voltage reading is 13.5 V, and the minimum battery
voltage for proper operation is approximately 10 V. For additional information on
the Battery Option, see Appendix C.
Do Self Test
The instrument automatically performs a series of tests on critical components
each time you turn it on. If at any time during operation, you want to repeat these
tests, you can do so by invoking the Menu, navigating to
DO SELF TEST
, and
pressing the
Enter
key.
The individual tests that comprise the Self Test, and the error messages that are
displayed if problems are detected, are described in Appendix B,
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