SmarTrunk Systems ST-3118D Service Manual - page 17
ST-3118D SM R 1.1 SMARTRUNK SYSTEMS, INC.
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As soon the desired value is
reached, press [Finish] to store the
value on radio memory.
If you want to retrieve factory
default, press [Factory] instead of
[Start]. You will be asked to confirm
the factory default alignment, and
then if you confirm it, original
values from factory will be loaded
into current alignment settings.
5.6.6. TDMA DATA MODULATION
alignment:
To align 4FSK signaling deviation
for TDMA mode (12.5Khz channel
bandwidth), select
TDMA Deviation
on Alignment screen.
Figure 18:TDMA Deviation Alignment
Actual alignment value will be
displayed on alignment slider.
Press [Start] then move the slider to
reach the desired value at the time
you checks the deviation meter to
reach the desired signaling level for
narrow band operation. Radio will
generate a 1000Hz alignment
reference
tone
for
alignment
proposes.
As soon the desired value is
reached, press [Finish] to store the
value on radio memory.
Default value corresponds to 2.2
KHz deviation for Narrowband
channels
(12.5Khz
channel
bandwidth).
If you want to retrieve factory
default, press [Factory] instead of
[Start]. You will be asked to confirm
the factory default alignment, and
then if you confirm it, original
values from factory will be loaded
into current alignment settings.
5.6.7. EIA tones Level Alignment:
EIA signaling generated by ST-3118
must be aligned by selecting
EIA Tones Level
alignment
option
form
the
alignment menu.
Actual alignment value will be
displayed on alignment slider.
Press [Start] then move the slider to
reach the desired value at the time
you checks the deviation meter to
reach the desired signaling level for
narrow band operation. Radio will
generate a 1000Hz alignment
Figure 19: EIA Tones Level Alignment Screen