TIC SDR-OMNI - Page 107

SDR-OMNI Avionics Test Set User Manual
Revision B 6 June 2023 Page 103
Table 6-2. Distance to Fault Description
CALLOUT
NAME
DESCRIPTION
1
Distance Indicator
Moves yellow indicator line to a specific distance
2
Right
Moves distance indicator to the right
3
Peak
Moves distance indicator to the peak anomaly
4
Max Distance
When selected, the Max Distance popup menu will
display where you may select 1500 feet, 600 feet, 300
feet, 150 feet, 60 feet, or 30 feet.
5
Velocity Factors
Menu
Specifies type of dielectric to determine velocity factor.
• Solid PE: 67% Foam PE: 80%
• Solid PTFE: 80% Foam PTFE: 90%
• Air: 99% Custom: Operator can enter % value
6
Not Applicable
This selection is not applicable for DTF.
7
Menu Icon
Displays the Home/Settings menu.
8
Back Icon
When selected, the VSWR/DTF/Cable Testing screen will
display.
9
Velocity Factor
Displays velocity factor being used for distance
calculation
10
Center Frequency
Selectable frequency being used for the test
11
Left
Sets DTF Indicator (1) to left position.
Table 6-3. Common Avionics Coaxial Cable Types
COAXIAL
CABLE
TYPE
VELOCITY
FACTOR
RG-58/A
Solid PE
66%
RG-174
Solid PE
66%
RG-400
Solid PTFE
70%
RG-142
Solid PTFE
70%
RG-316
Solid PTFE
69%