Patton electronic 2710 - Manual (Page 27)

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Receive Alarm Indication [RAI] indicates that the local unit is receiving
a Yellow Alarm. This alarm is sent by the remote unit or the central ofÞce
when it loses the received signal. This indicates the local unit’s transmit-
ted signal is not reaching the remote unit.
Rx Level The Model 2710 displays the current received signal strength
in dB. There are four level ranges detected:
+2 to –7.5
-7.5 to –15
-15 to –22.5
< -22.5
Valid Interval Count & Current Interval Time.
The Valid Interval Count and Current Interval Time display the number of
valid 15 minute intervals in the last 24 hours and the number of seconds
which have elapsed in the current interval, respectively. The Valid Interval
Count saturates at the count of 96 (96 * 15min = 24 hours), while the
Current Interval Time rolls over after 900 counts. When the counter rolls
over, it is reset to zero, and the Interval Counter is incremented by one if
the count is less than 96.
Valid Interval Count: [96]
Current Interval Time: [899]
Error Counters.
These error counters give a second-by-second snapshot of the link per-
formance. To clear all counters, press the [Backspace] key. If your key-
board does not have this key, you can press a two-key combination to
affect the same result: Hold down the [Ctrl] key and then press the [H]
key. This will send to the unit the Ctrl-H character, which is the same as
pressing the [Backspace] key.