CHAPTER 2 Checks and Preparation
2.4 Connecting the Power Cable and Turning on the Power
This section describes how to connect the power cable and turn on the power. The connection method will
vary depending on the type of power supply used.
Connecting to an AC Power Supply
Connect to an AC power supply using the AC cable and AC adapter that are supplied as accessories.
Be sure to use the AC adapter that is supplied as a standard accessory.
(1) Plug the AC cable into the AC adapter.
(2) Connect the output side of the AC adapter to the connector on the GL840.
(3) Using the flat-blade screwdriver, press against the minus (-) button above the GND terminal, while
connecting the grounding cable to the GL840.
Connect the other end of the cable to ground.
(4) Plug the AC cable into the mains power outlet.
(5) Press the power switch on the GL840 to the ON side to turn on the power.
Always connect the GND terminal after referring to the safety precautions.
The GL840 must be grounded even when connected to other devices and sharing a common ground level.
2-4
AC adapter
AC cable
AC adapter cable