Comtech EF Data SMS-301 - Manual (Page 44)

Operation SMS-301 Redundancy Switch
3-6 Rev. 3
3.4 Front Panel Keypad
The front panel keypad permits local operation of the 1:1 switch. The keypad consists of
six keys (Figure 3-2).
E N TE R
C LE AR
Figure 3-2. Keypad
Each key provides one or more logical functions. The keypad functions are defined in
Table 3-2.
Table 3-2. Keypad Functions
ENTER This key is used to select a displayed function or to execute a 1:1 switch
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.
[
←] 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.
The 1:1 switch 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.