Sine Wave Test Signal

The SINE WAVE TEST SIGNAL test is the second system level test to run when you want to check the radio’s performance.

Touch the SINE WAVE TEST SIGNAL button. The screen will change to show the SIGNAL LEVEL bar graph and scope display on channel 9. The signal level should be even (+/- 2 pixels at room temperature) with the top of the two green markers  This is the gain calibration adjusted level to insure the maximum signal dynamic range.  if so, the radio signal sensitivity part of the test has passed.

A sine wave will show on the scope and you will hear the transformed infrasignal. At the bottom of the screen is the FREQUENCY MEASUREMENT window. The average frequency measurement should read between 5.4Hz and 5.7Hz, if so, the sine wave frequency measure test has passed.

At any time during this test, you can touch the SINE WAVE TEST INSTRUCTIONS button for more information. Touch BACK TO SINE WAVE TEST to return.