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WavePro 7 Zi and Zi-A Oscilloscopes
19
WP7Zi-GSM-E RevB
Standby (Power) Switch and Oscilloscope Operational
States
The front Standby (Power) switch controls the operational state of the
oscilloscope. This toggle switch is activated by momentarily pressing and
releasing it. The color of the LED below the switch indicates the status of
the oscilloscope as follows:
On (LED Green)*
– oscilloscope is fully powered and operational
Standby (LED off)*
– oscilloscope is powered off (except for some
housekeeping circuits)
Standby (LED Blinks Green)
– oscilloscope’s computer subsystems
(hard drive, etc.) are in Standby (reduced Power mode). All other
oscilloscope subsystems are fully powered.
* Factory Settings
The oscilloscope’s factory settings result in only two basic oscilloscope
states: On (LED Green) or Standby (LED Off). In this case of Standby (LED
Off), the oscilloscope is powered off with the exception of some
housekeeping circuitry (approximately 12 watts dissipation). The
oscilloscope can only be placed in a complete power off state by flipping
the main power switch at the back of the oscilloscope to the Off (zero)
position, or by unplugging the instrument’s power cord from the primary
power source (AC outlet). It is recommended that the power cord be
unplugged from the AC outlet if the oscilloscope is not being used for an
extended period of time.
Although changes can be made to the oscilloscope's original factory
settings via the
Power Options Properties
menu in Windows under
Control Panel → Power Options
, it is important to note that the Windows
Power Option named
Standby
provides control of only the oscilloscope’s
computer subsystems (CPU, hard drive, etc.) and does not affect the other
subsystems within the oscilloscope. In general, these other subsystems
remain fully powered. For additional information on setting these Power
Options, see the Windows Help menu or other related technical
documentation. In terms of control buttons, this oscilloscope uses only a
power button/switch and therefore references to a sleep button are not
applicable.