AALogic ST-101, Руководство пользователя

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6 Version 1.0.2
7 T
RANSMITTING
S
IGNALS
The ST-101 allows the technician to preselect a frequency to transmit by pressing the FREQ key. A suggested
cable length is displayed for each frequency. Higher or lower frequencies may work better than the suggested
frequency in some cases.
7.1 F
REQUENCY SELECTION
Pressing the FREQ key allows the user to select a specific frequency. The ST-101 displays the
recommended distance for each frequency. The table below shows the recommendations and notes.
Section Length Frequency Note
100 to 2000 feet 4 KHz Higher frequencies may be
detected past the Fault in some
cases.
1-3 kFt 2 KHz
2-5 kFt 987 Hz Some pair identification probes are
compatible with this frequency.
3-6 kFt 577 Hz This tone is compatible with
standard tone probes for pair
identification.