7-787.9.3 99 33 Communication testUnder communication test you test the radio communication between your sounder and the system.To access the communication test menu:1. Select the Siren menu as described above.2. Under Siren, press 33 to access the communication test menu option. You see the following on thedisplay:3. Confirm with . The system now searches for the wireless sounders and then shows the signalstrength of each sounder on the display.NOTE:For successful transmission, the signal strength should be higher than the value of the receiver defined under“Calibration” (see below).Press to exit the menu option.7.9.4 99 44 Siren Receiver CalibrationUnder siren receiver calibration, you can adjust the reception quality of the sounders. Since this communication is based on adifferent wireless technology, a different value is possible here than when you calibrate the receiver for the wireless transmitter.The level is between 0 and 99. The lower the value, the better the radio communication between the system and the sounder.To access the sounder receiver calibration menu:1. Select the Siren menu as described above.2. Under Siren, press 44 to access the siren receiver calibration menu option. You see the following on thedisplay:3. Confirm with . The system now recalibrates the radio threshold.4. Confirm the new threshold with .5. To make a new calibration, press to change to Y and confirm with .Press to exit the menu option.