Keysight Technologies 34959A Service Manual page 13

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Keysight 34980A Service Guide
On/Standby switch
This switch is standby only. To disconnect the mains from
WARNING
the instrument, remove the power cord.
Under certain conditions, hazardous voltage levels capable of
WARNING
causing injury or death may remain even after external circuits
have been disconnected. To avoid electrical shock, remove the
main power cord from the 34980A and ensure all connections to
the DUT, including field wiring to the instrument and the analog
bus (if present) are deenergized and all circuits are discharged
before coming in contact with the system. Ensure no hazardous
voltages remain on any accessible before handling any part of
the instrument and test setup, making connections to the
system, removing covers or cleaning the instrument.
Utility menu contains settings for Remote I/O (LAN, GPIB, and USB), Date and Time, and other
system-related instrument parameters
Store/recall menu allows you to save and recall up to six instrument setups
For proper instrument function, Channel monitor must be turned
CAUTION
OFF when the state is stored and Auto recall is enabled. If the
Channel monitor is turned ON, the front panel may freeze, If the
front panel is frozen, all plug-in modules must be removed and
the auto-recall function turned OFF to restore the instrument
back to its initial working state.
Control keys directly control module actions
Number keypad enters numerical characters
Exponent
Cancel key exits a menu without saving changes
Arrow keys move cursor positions
Knob enters alphanumeric characters, selects slots, channels, and navigates menus
Enter key steps you through a menu or saves number entries
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