Getting Started
Power Connections
The 1103 product is powered by an external DC power supply that is
shipped with the 1103 pro duct. This is the recom m ended power supply
to use.
If you are not using the 1103 DC pow er supply, read the following
caution.
CAUTION. To prevent da mage to the 1103 circuitry, power on the DC power
supply first and then power on the 1103 product.
The following steps are recommended to install the pow er cord and DC
power supply:
1. Set the power switch on the 1103 product to off.
The power switch is located on the rear panel and a power indicator
is on the front panel.
2. Connect the power cord to the wall socket and DC pow er supply.
3. Connect th e DC power supply to the 1103 product. (See Figure 1
on page 3.)
4. Power on t he 1103 product.
NOTE. To avoid excessive common mode n oise , use the provided power
cord and connect the o utput BNC cable to an oscilloscope with a grounded
connection.
Optional power cords are available to pr ovide co mp atibility with
different pow er source connections. (See page 5, O ptions .)
There are no fuses in the 1103 product. Contact Tektronix Service
Support for product repair.
2 1103 Power Supply Instruction Manual
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