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Set the Distance and Cable Type
In Distance-To-Fault (DTF) mode, the length of the transmission line (distance) and cable
type are selected. The cable type determines the velocity propagation and cable attenuation
factor. The following procedure can be used to set the distance and select the appropriate
cable type.
NOTE: Selecting the correct cable is very important for accurate measurements
and for identifying faults in the transmission line. Selecting the incorrect cable
type will allow the DTF trace to be shifted in vertical and horizontal displays and
make it difficult to accurately locate faults.
Step 1. Press the
MODE key.
Step 2. Select
DTF RETURN LOSS or DTF SWR mode. The Site Master automatically
sets D1 to zero.
Step 3. Press the
D2 soft key.
Step 4. Enter the appropriate D2 value for the maximum length of the transmission line
and press the
ENTER key to set the D2 value.
Step 5. Press the
DTF AID soft key.
Step 6. Using the
Up/Down arrow key, select CABLE TYPE. Standard cable types are
stored in the Site Master cable list. This standard list may not be edited. A cus-
tom cable list can also be created.
Step 7. Using the
Up/Down arrow key, select the appropriate list and select the type of
cable. The selected cable type, PROP VEL and CABLE LOSS in dB/ft (or
dB/m) will be displayed.
Step 8. Press
ENTER.
Changing the Units
By default, the Site Master displays information in metric units. Use the following proce
-
dure to change the display to English units.
Step 1.
Press the SYS key.
Step 2. Select the
OPTIONS soft key.
Step 3. Press
UNITS to change from metric to English measurement units, or vice versa.
The current selection is displayed at the bottom left corner of the screen.
Changing the Display Language
By default, the Site Master displays messages in English. To change the display language:
Step 1.
Press the SYS key.
Step 2. Select the
Language soft key.
Step 3. Select the desired language. Choices are English, French, German, Spanish, Chi
-
nese, and Japanese. The default language is English.
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Chapter 3 Getting Started