# RF Tests

## Test Tones

Allows the user to choose from Unmodulated, Random Data, and 1 KHz Sine Wave test tone.

The test tone will be transmitted for 20 seconds when the "Start Test" button is clicked. The "Stop Test" button will end the test. Note: This test may cause other Vipers to stop transmitting for the duration of the test. The Viper units have a feature that will check to determine if a carrier (RX frequency signal) is present. If a carrier is detected the Viper will not transmit until the carrier is no longer present.

## SINAD Meter

Display readings from the SINAD meter.

SINAD is a measurement used to look at the degradation of a signal by unwanted or extraneous signals including noise and distortion. The higher the figure for SINAD, the better the quality of the received signal. The SINAD figure is expressed in decibels (dB) and can be determined from the simple formula:
SINAD = 10Log (SND/ND)
Where:
SND = combined Signal + Noise + Distortion power level
ND = combined Noise + Distortion power level
0dB <= SINAD < 50dB
The receiver must be fed a 1KHz tone.

## Ping Test

### Enter IP address

Enter IP address in dot decimal format of the unit you want to ping. Example: 192.168.205.100

### Execute

This button executes the ping command. Ready field displays the outcome of the ping command. The ping test is an Internet Control Message Protocol command. It will execute four times. The ping returns if the ping was successful in the time required.

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