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I
NFORMATION
A
BOUT
HHR
C
OMMUNICATIONS AND
P
ROGRAMMING
:
1. Disrupted Communications
Communications between the Elan Controller and HHR may be disrupted when the Configurator
is being used to configure certain data. This is analogous to all Viewers (TP4/7/12) jumping to the
Home Page when certain modifications are performed. Communications to and from the HHRs
are disrupted from one to thirty seconds (or longer) depending on the number of HHRs in the
system and the change being made.
The worst case scenario is making changes (adding, deleting, changing size) to TV Icons being
used on the HHR. For example, when using all TV Icons and having 20+ HHRs in the system,
HHR communications will be lost for 2 minutes or more while the changes are being applied.
When communications is lost, HHR button pushes will not work and the HHR may display
“Connection to controller”.
Once the Configurator has completed its calculations, the HHRs will resume normal operations.
2. Heavy traffic may affect download times
When a download to an HHR is in progress, the amount of traffic on the Wireless Router / Access
Point may affect the download times. Under extremely heaving traffic, downloads may fail and will
be restarted.
If experiencing problems downloading to multiple HHRs at the same time with heavy traffic, try
waking fewer HHRs at the same time.
3. Downloading new / modified TV Icons to the HHR
When TV Icons are changed, the system needs to recalculate data for each HHR in the system.
A status message is displayed on the bottom status bar of the Configurator for each HHR once its
data has been recalculated. The HHRs are processed in the order they appear on the Interface
Tab. When the last one has been processed, the system is now ready to download the new data
to the HHRs.
If all TV Icons are in use, it will take approximately 5 seconds to perform the calculations for each
HHR.
Be sure to wait till all calculations have been completed!
As each HHR is awakened (by shaking or by key press), it will initiate a download of the new
data. On a wireless network with light traffic, there should be no problem downloading to eight
HHRs at the same time. If a download experiences problems, it will attempt the download again
until it succeeds.
In the worst case, if a download is not successful due to heavy traffic, the HHR will abort the
download at this time. It will re-try either the next time it wakes up or when the TV Icons are
needed for display on the H
HR (“just-in-time downloading”).