Comtech EF Data SMS-7000 - Manual (Page 74)

Operation SMS-7000 Modem Protection Switch
3–4 Rev. 3
3.2.2 Front Panel Controls
The switch is locally operated by using the front panel keypad, which consists of the
following keys (see Table 3-2):
Table 3-2. Front Panel Keypad
Key Description
[ENTER] This key is used to select a displayed function, or to execute a change to the
configuration.
[CLEAR] This key is used to back out of a selection, or to cancel a configuration change
which has not been executed by pressing [ENTER].
Pressing [CLEAR] generally returns the display to the previous selection.
[
←] and [→] These keys are used to move to the next selection, or to move the cursor for certain
functions.
[
↑] and [↓] These keys are used primarily to change configuration data (numbers), but are also
used at times to move from one section to another.
Whenever a key is pressed, the switch responds with a beep:
•
A single beep indicates a valid entry (the appropriate action was taken).
•
A double beep indicates an invalid entry.