SMIQ
Putting into Operation
1125.5555.03 E-7
1.1
1
Preparation for Use
1.1 Putting into Operation
Before putting the SMIQ into operation, please make sure that
•
the covers of the casing are put on and screwed,
•
the ventilation openings are free,
•
no signal voltage levels exceeding the permissible limits are applied at the inputs,
•
the outputs of the instrument are not overloaded or connected incorrectly.
If these points are not observed, the instrument might be damaged.
1.1.1 Supply Voltage
The SMIQ can be operated at a.c. systems from 90 V to 132 V and 180 V to 265 V at system
frequencies from 47 Hz to 440 Hz. The power supply socket is situated at the rear of the instrument.
The instrument automatically sets itself to the voltage applied within the permissible voltage ranges. It is
not necessary to set the instrument to a certain supply voltage.
1.1.2 Switching On/Off the Instrument
Power switch at the rear of the instrument
Power switch
Power supply socket
Switch on/off:
½
Press power switch at the top (I) / bottom (0)
The power switch can remain switched on permanently. Switching
off is only necessary when the instrument is to be completely
disconnected from the mains.
On/off switch at the front of the instrument
STBY
ON
Standby check LED
Switch on:
½
Press switch.
The instrument is ready for operation.
Switch off:
½
Release switch.
The instrument assumes the STANDBY mode.