Ericsson TT1222 Guía de usuario Pagina 20

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Introduction
1.4 Guided Tour
1.4.1 Construction
The receiver is constructed using a screened fan-ventilated chassis. All operational
inputs and outputs are via the rear panel connectors. The unit may be operated
freestanding on a horizontal flat surface, or mounted in a 19-inch rack. 1RU rack
height is required. It is important that horizontal airflow is not obstructed, to maintain
the airflow required to cool the unit.
1.4.2 Front Panel
The front panel is equipped with a Keypad, LCD Display and Status LED.
Figure 1.2: TT1222 Receiver Front Panel
2-line LCD Display Keypad
1.4.2.1 Keypad
The front panel keypad is used in conjunction with the front panel LCD Display to set
up and monitor the unit. The roles and functions of the keys change, depending on
what kind of menu or screen is displayed.
Figure 1.3 shows how the arrow keys are used to navigate through the menus.
Figure 1.3: Navigating the Menus
Move cursor up /
scroll up
Move cursor down /
scroll down
Select
parameter
at cursor
Return to
previous
menu
EN/LZT 790 0002/2 R1A
1-10
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