Testing; Integrus Receiver; Test The Coverage Area - Bosch INTEGRUS User Manual

INTEGRUS
8

Testing

8.1

Integrus Receiver

The receivers can be switched to a test‑mode to get an indication of the reception quality for
each carrier separately. To activate the test-mode:
1.
2.
3.
For each carrier the display shows a relative value of the signal strength, Figure of
Merit(FOM), and a graphical quality indication symbol.
The reception quality can be assessed as follows:
Indication
00-39
40-49
50-90
The test mode is deactivated when the receiver is switched off.
8.2

Test the coverage area

Do an extensive quality test on reception to make sure that the whole area is covered with IR
radiation of adequate strength and that there are no black spots. You can do such a test in
two ways:
Testing during installation
1.
2.
3.
4.
5.
6.
7.
Testing during a meeting
1.
2.
3.
Testing all positions and directions
With the transmitter and the receiver in one of the two test modes, go around the conference
hall. Test the reception quality at every position where the infrared signals must be received.
When an area is detected where there is bad reception or even no reception at all, three main
causes must be considered:
Bosch Security Systems B.V.
Push the channel selector to the Up‑position
Press the on/off button and hold both for ca. 2 seconds
When in test-mode, switch between carriers by using the channel selector
Quality
Good reception. Very good audio quality.
Weak reception. Ticks in the audio.
No or bad reception. Poor audio quality.
Check that all radiators are connected and powered up.
Check that no loose cables are connected to a radiator.
Switch the transmitter off and on to re-initialize the auto equalization of the radiators.
Set the transmitter in the Test-mode.
– For each channel, a different test tone frequency will be transmitted.
Set a receiver on the highest available channel.
Listen through the headphones to the transmitted test tone.
Test all positions and directions. Refer to section Testing all positions and directions in
this chapter.
Set a receiver in the Test-mode.
Select the highest available carrier.
– The quality of the received carrier signal is indicated on the display of the receiver.
See Integrus Receiver, page 51 .
Test all positions and directions. Refer to section Testing all positions and directions in
this chapter.
– The quality indication should be between 00 and 39 (good reception).
User manual
Testing | en 51
2023-01 | V01 |