q
RAI
— Configures the unit to send a Remote Alarm Indication
(yellow alarm).
q
AIS
— Configures the unit to send an Alarm Indication Signal
(blue alarm).
q
Back — Returns to the previous menu.
q
Impedance
— Sets the Tx and Rx impedance.
q
75
W
— Select 75 ohm impedance.
q
120
W
— Select 120 ohm impedance.
q
Back — Returns to the previous menu.
q
Back — Returns to the previous menu.
q
Measure BERT
— Activates menus that are used to control the BERT
measurement.
q
Display Raw Data/Histogram
— Selects whether to display the raw
data or a histogram.
q
Start/Stop Measure
— Starts or stops the measurement.
q
Insert Errors
— Injects the selected error(s) into the data stream when
transmitting, or sends the selected alarm.
q
Measure Duration
— Selects the duration of the measurement. The du-
ration can be 3 minutes, 15 minutes, 30 minutes, 1 hour, 3 hours, 6
hours, 12 hours, 1 day, 2 days or manual. Use the Up/Down arrow key
to display the desired duration and press
ENTER
to select, or
ES-
CAPE
to restore the previous value.
q
Time Scale
— When histogram is selected, the time scale can be set
from one second to one hour in the following steps: 1 second, 15 sec-
onds, 30 seconds, 45 seconds, 1 minute, 15 minutes, 30 minutes, 45
minutes, 60 minutes, or AUTO. Use the Up/Down arrow key to dis-
play the desired time scale and press
ENTER
to select, or
ESCAPE
to restore the previous value.
q
More
q
Self Loop Up
— Loops the received signal to the transmitted sig-
nal.
q
Self Loop Down
— Turns off the internal loopback.
q
Back — Returns to the previous menu.
q
Vpp
— Measures and displays the peak-to-peak voltage.
q
Start/Stop Measure
— Starts or stops the measurement.
q
Terminate/Bridged
— Select terminate or bridging for the Vpp measure-
ment.
q
75
W
— Select 75
W
impedance.
q
120
W
— Select 120
W
impedance.
q
Vpp/dBdsx
— Toggles between a voltage peak-to-peak measurement and
dBdsx measurement.
q
Back — Returns to the previous menu.
Chapter 2 Functions and Operations
2-37
