Front Panel Keypad; Figure 6-2. Keypad - Comtech EF Data CDM-700 Installation And Operation Manual

High speed satellite modem
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CDM-700 High Speed Satellite Modem
Front Panel Operation

6.1.2 Front Panel Keypad

The front panel keypad, with its physical variations, is shown in Figure 6-2:
Initially Released Chassis
The keypad features six individual key switches with a positive 'click' action – this provides
tactile feedback. The function of these keys are as follows:
ENTER
[ENT]
CLEAR
[CLR]
Left, Right
(←) (→)
Up, Down
(↑) (↓)
IMPORTANT
Diamond Keypad:
This key is used to select a displayed function or to execute a modem
configuration change.
This key is used to back out of a selection or to cancel a configuration change,
which has not been executed using ENTER [ENT]. Pressing CLEAR [CLR]
generally returns the display to the previous selection.
These arrows are used to move to the next selection or to move the cursor
functions. At times, they may also used to move from one section to another.
These arrows are used primarily to change configuration data (numbers). At
times, they may also be used to move from one section to another.
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.
Rev. A or Later Chassis

Figure 6-2. Keypad

6–3
Revision 5
MN/CDM700.IOM
Button Keypad:

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