User's Manual

5.8GHz PDH User’s Manual
11
Out-of-order tone: When there is an out-of-order service or lost of signal service, it will ring
the out-of-order tone at 500±50ms, 230ms±70ms and then break
connection
Busy tone: Continue to redial at an exchange of 500ms±50ms
5.2.2 Definition of the IDU LCD Panel keys
ESC ALT
Left Right OK
For the LCD to fully display the system’s status and perform those simple set up operations,
try to make use of the above-mentioned five
function keys to carry out the operations.
LCD displays the contents and different set-up entries. As described below, please apply
as mentioned.
IDU LCD Display
ESC = exit
ALT =
switch
functions
Left = left arrow
Right = right arrow
OK = confirm