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NV30LT-N OPERATIONS & MAINTENANCE MANUAL
OPERATING THE TRANSMITTER
VERSION 0.1 2015-03-01
PAGE 3.2.139
Figure 3.2.122: Fan Speed Screen
Use the up and down buttons to select a value between 63 and 100 %. The default setting is 63%,
which corresponds to approximately 31 V for the related fan voltage. A setting of 100% corresponds to
approximately 48 V for the related fan voltage. Press the accept (checkmark) button to save the change.
Press
X
to abort the change and return to the previous menu.
NOTE
: A 20% reduction in fan speed can yield up to 5 dB improvement in acoustic noise from the
transmitter, as well as decrease power consumption (i.e., utility costs) and extend the operating life of
the cooling fans.
UPS Installed
From the front panel UI, you can configure the transmitter for the installation of the UPS interface kit,
which allows operation with an external, user-provided UPS. If you have upgraded your transmitter
with the UPS interface, you may have already been prompted to change this configuration. To view the
UPS Installed
screen, select
System Settings -> HW Config -> UPS Installed
from the
Main Menu
(see
Figure 3.2.123: UPS Installed Screen
Use the up and down buttons to toggle between
NO
(no UPS interface installed) and
YES
(UPS
interface is installed). Press the accept (checkmark) button to save the change. Press
X
to abort the
change and return to the previous menu.
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