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Front Panel Power Switch
To prevent malfunction caused by accidental touching, the front power switch of this
equipment turns on the power if it is pressed continuously for about one second in the
standby state. If the switch is pressed continuously for one second in the power-on state, the
equipment enters the standby state.
In the power-on state, if the power plug is removed from the outlet, then reinserted into it,
the power will not be turned on. Also, if the lines is disconnected due to momentary power
supply interruption or power failure, the power will not be turned on (enters the standby
state) even if the line is recovered.
This is because this equipment enters the standby state and prevents incorrect data from
being acquired when the line has to be disconnected and reconnected.
For example, if the sweep time is 1,000 seconds and data acquisition requires a long time,
momentary power supply interruption (power failure) might occur during measurement and
the line could be recovered automatically to power-on. In such a case, the equipment may
mistake incorrect data for correct data without recognizing the momentary power supply
interruption.
If this equipment enters the standby state due to momentary power supply interruption or
power failure, check the state of the measuring system and press the front power switch to
restore power to this equipment.
Further, if this equipment is built into a system and the system power has to be
disconnected then reconnected, the power for this equipment must also be restored by
pressing the front power switch.
Consequently, if this equipment is built into remote monitoring systems that use MODEMs,
the standby function of this equipment must be modified.
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