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Reference
GB1400 User Manual 3-33
Display Mode: Totalize, Window, or Test
When the Analyzer is not in the Menu mode, you can select a display mode using
the SELECT DISPLAY key. The display mode determines which BER and Bit
Error results are shown in the main display. BER results are shown in the top,
middle field of the display, while Bit Error results are shown in the top right
field. Display mode also determines which results will be cleared when you press
the ERROR DETECTION CLEAR key.
Procedure to Select a Results Display Mode
Press the DISPLAY SELECT key to select a different display mode.
Selections are: Totalize , Window, or Test
The selected display mode will be indicated by the character in front of the BER
result, as explained in the table below. Note that there are three possible Test
display mode characters (T, U, and R) which further indicate which Test timing
mode (Timed, Untimed, or Repeat) has been set up. Note that MODE is a
parameter in the TEST Menu.
Table 3-9. How to Tell Which Display Mode is Active
Character In Front of BER Result Indicated Result Display Mode
no character (blank) Window
the infinity symbol (∞)
Totalize
T, U, or R Test:
T = Timed mode.
U = Untimed mode
R = Repeat mode
Clearing Results and Starting Tests
To do this:
1. Press DISPLAY SELECT until the Totalize Mode results are displayed
(infinity character in front of the BER result).
2. Press the CLEAR key in the ERROR DETECTION section to clear Totalize
BER and Bit Error results.
Totalize Process Set Up
The Totalize measurement process is active all the time and requires no explicit
setup by the operator.