Comtech EF Data CRS-311 Installation And Operation Manual page 111

1:1 redundancy switch, accessory product for use only with comtech ef data cdm-qx/qxl and slm-5650/5650a modems (modem firmware and hardware requirements apply)
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CRS-311 1:1 Redundancy Switch
Front Panel Operation
5.1.2 Front Panel Keypad
 
 
 
 
The keypad has an auto‐repeat feature. If you hold down a key 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. 
 
The function of these keys, and their reference throughout this chapter, is as follows: 
 
Key
(Left, Right)
(Up, Down)
 
 
The  keypad  on  the  front  panel  contains  six  individual  key  switches 
with a positive "click" action for tactile feedback.  
Mnemonic
Functional Description
Use this key to select a displayed function or to execute a modem
ENTER
configuration change.
Use this key to back out of a selection or to cancel a configuration
CLEAR
change that has yet to be executed using ENTER. Pressing CLEAR
generally returns the display to the previous selection.
◄ ►
Use these arrow keys to move to the next selection or to move the
cursor position.
▲ ▼
Use these arrow keys to edit the configuration data (numbers) or
operational selection at the current cursor position.
5–3
Revision 7
MN/CRS311.IOM

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