Comtech EF Data SDM-650B Especificações descarregar pdf (Página 99)

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101

SDM-300L3 Satellite Modem Revision 0

Front Panel Operation MN/SDM300L3.IOM

4–3

4.3 Front Panel Keypad

The front panel keypad permits local operation of the modem. The keypad consists of six

keys (Figure 4-2).

ENTER

CLEAR

Figure 4-2. Keypad

Each key provides one or more logical functions. These functions are defined in the

following table.

ENTER This key is used to select a displayed function or to execute a modem

configuration change.

CLEAR This key is used to back out of a selection or to cancel a configuration change,

which has not been executed using [ENTER]. Pressing [CLEAR] generally returns

the display to the previous selection.

Left and Right

Diamond Keys

These keys are used to move to the next selection or to move the cursor for

certain functions.

Note: Throughout this chapter, [←] and [→] are used to indicate left and right

diamond keys.

Top and Bottom

Diamond Keys

These keys are used primarily to change configuration data (numbers). At times,

they are also used to move from one section to another.

Note: Throughout this chapter, [↑] and [↓] are used to indicate top and bottom

diamond keys.

The modem responds by beeping whenever a key is pressed:

• A single beep indicates a valid entry and the appropriate action was taken.

• A double beep indicates an invalid entry or a parameter is not available for

operation.

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