User guide

Building Your Canopy Network March 2005
Through Software Release 6.1
Issue 1 Page 281 of 425
Canopy System User Guide
c. Connect the Alignment Tool Headset, an earpiece, or a small battery-
powered speaker to this cable.
d. Listen to the alignment tone for
◦ pitch, which indicates greater RSSI by higher pitch.
◦ volume, which indicates less jitter by higher volume.
In Adobe Reader
®
6.0 or later release, to hear an example of the alignment
tone as the SM aligns and registers, click on the picture in Figure 113.
Figure 113: Audible Alignment Tone kit and example tone
e. Move the module slightly until you hear the highest pitch and highest volume.
f. Continue to move the module slightly until you hear the tone interruptions, if
possible.
15. On the computing device, in the RSSI Only Mode field, click Enabled.
16. Click Enable Aiming Mode.
17. Simultaneously, begin to
◦ move the module slightly in the vertical plane.
◦ on the computer, click Enable Aiming Mode frequently to refresh the page
as the module moves (or select the auto-refresh option for this web page).
◦ monitor the screen for a simultaneous RSSI level of greater than 700, jitter
value between 0 and 4 in a 10-Mbps BH in Release 4.0 and later releases,
between 0 and 9 in a 20-Mbps BH, or between 5 and 9 in any earlier release,
and efficiencies greater than 90% for both the uplink and the downlink.
18. When the RSSI level is greater than 700, stop the movement of the module and
click Disable in the RSSI Only Mode field.
19. If this link will be a 20-Mbps BH link, set the Modulation Scheme parameter in
the Configuration web page of both the BH timing master and the BH timing
slave to 20 Mbps (for fine aiming and continued operation).
20. Access the Status page.
21. Monitor this page for the messages Scanning, Syncing, Registering,
Registered, and Alignment.