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Range Errors
A listing of Range Error messages is given in Table 2-3.
2-17
Chapter 2 Functions and Operations
Error Message
Description
RANGE
ERROR:F1 > F2
The start (F1) frequency is greater than the stop (F2) frequency.
RANGE
ERROR:D1 > D2
The start (D1) distance is greater than the stop (D2) distance.
RANGE
ERROR:D2 >
DMax=xx.x ft (m)
The stop distance (D2) exceeds the maximum unaliased range. This
range is determined by the frequency span, number of points,
and relative propagation velocity:
MaximumUnaliased Range
dp V
f
FF
=
´-
-
( . )( )( )15 10
8
1
21
Where: dp is the number of data points (130, 259, or 517)
V
f
is the relative propagation velocity
F2 is the stop frequency in Hz
F1 is the start frequency in Hz
Maximum Unaliased Range is in meters
Refer to Figure -, page , for a plot of maximum range versus fre-
quency span.
RANGE ERROR:
TOP<=BOTTOM
The SWR scale parameter top value is less than or equal to its bottom
value.
RANGE ERROR:
TOP>=BOTTOM
The RL scale parameter top value is greater than or equal to its bottom
value.
CAL
INCOMPLETE
A complete open, short, and load calibration must be performed bef-
ore calibration can be turned on.
DIST REQUIRES
F1<F2
Valid distance to fault plots require a non-zero frequency span.
DIST REQUIRES
CAL
Distance-to-fault measurements cannot be performed with CAL OFF.
USE OPTIONS
MENU TO
SELECT A
PRINTER
Attempting to print a display with no printer selected. Select a printer,
then retry.
CANNOT ZERO
NO DETECTOR
INSTALLED
Attempting to perform a Power Monitor zero adjust function with no
RF detector connected to the Site Master.
CANNOT ZERO
INPUT SIGNAL
TOO HIGH
Attempting to perform a Power Monitor zero adjust function with an
input of greater than –20 dBm.
POWER MONITOR
OPTION NOT
INSTALLED
Attempting to enter Power Monitor mode with no Option 5 installed.
Table 2-3. Range Error Messages (1 of 2)