Emerson Rosemount 375, User Manual

Page: 19 / 140

Learning the Basics 2-9
REMOVING
THE BATTERY
AND THE
SYSTEM
CARD
To remove the battery and System Card:
1. Place the 375 Field Communicator face down on a
level, secure surface.
2. Loosen the battery retaining screws until the top of
each screw is flush with the top of the 375 Field
Communicator.
3. Slide the battery off the 375. Do not pull the battery up
because this can damage the connector pins.
4. Grasp the System Card and slide it straight out of the
375. Do not pull the System Card up because this can
damage the card or the System Port.
STARTING UP
AND
SHUTTING
DOWN
Prior to using the 375 Field Communicator without the
power supply/charger, fully charge the battery. See
“Battery and Power Supply/ Charger Overview” on
page 2-4 for details on charging the battery.
Before operating the 375 Field Communicator, ensure:
• The 375 Field Communicator is not damaged.
• The battery is fully seated.
• All screws are sufficiently tightened.
• An Expansion Module or Expansion Port Plug is in
place.
• The Communication Terminal recess is free of dirt and
debris.
Starting the
375 Field
Communicator
Press and hold the On/Off key until the multifunction
LED flashes (approximately two seconds). See
Figure 2-3 for the location of the On/Off key.
During start-up, the 375 Field Communicator
automatically checks for any software upgrades
available on the System Card.
You are notified if any
upgrade is required.
After starting the 375 Field Communicator, you can do
the following from the 375 Main Menu:
• Launch the HART or F
OUNDATION
Fieldbus
Applications (if licensed)
• Configure and view settings
• Enter Listen For PC mode
• Launch ScratchPad