Comtech EF Data CDM-550T - Manual (Page 38)

CDM-550T Satellite Modem Revision 3
Front Panel Operation MN/CDM550T.IOM
6.1.1 Front Panel Keypad
The keypad has six keys, the functions of which are described as follows:
Figure 6-2. Keypad
[
→]
(Left Arrow) Moves the cursor to the right, when it is displayed
[
←]
(Right Arrow) Moves the cursor to the left, when it is displayed
[
↑]
(Up Arrow) Used for editing the value at the current cursor position, if appropriate.
If this is a numeric field, this will increment the value.
[
↓]
(Down Arrow) Used for editing the value at the current cursor position, if
appropriate. If this is a numeric field, this will decrement the value.
[ENT]
(ENTER) Used to accept an edited entry. Most menus prompt the user to press this
key, by displaying the text (Press ENTER), (ENTER) or (ENT). This results in the
entry being accepted, and the user is then returned to the previous menu.
[CLR]
(CLEAR) Used to escape from the current operation and return to the previous
menu.
IMPORTANT
The keypad has an auto-repeat feature. If a key is held down for more
than 1 second, the key action will repeat, automatically, at the rate of
15 keystrokes per second. This is particularly useful when editing
numeric fields, with many digits, such as frequency or data rate.
6–2