VF, DS0 Test Procedure for In-service Measurements
1. After the unit is correctly configured, press the Measurements main menu key then the VF submenu key to activate the VF Measurements.
2. Press the Channel submenu key and use the directional arrow keys, rotary knob, or key pad to enter the desired channel, then press Enter. The received VF level and frequency on the selected channel are displayed.
3. For audio monitoring, press the Audio submenu key to toggle audio monitoring ON.
When a test tone is present on the channel, the level and frequency report will indicate whether the channel is healthy. If speech is present on the channel, then the channel performance can be judged from the audio quality.