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8. Thermal AGC Setup
In setting up the DSIM modules as a Thermal AGC the cable length dB values will need to
be adjusted to match the dB of cable that is in front of the station. The DSIM controllers will
come preset to have a default cable length setting of 27 dB in the memory. The controller is
used to set the DSIM module to either 9 dB, 18 dB, or 27 dB of cable by simply clicking the
"Increase" or "Decrease" + /- buttons on the
1.
With the power off install the DSIM into the amplifier. (If not already installed)
2.
For new amplifiers installations, power on the amplifier and allow it to warm up for
about 25 minutes with the housing lid closed.
3.
Plug the controller into the DSIM.
4.
The controller LED will then flash red / blue rapidly while the DSIM controller and DSIM
module completes the syncing process. This process will take approximately
2-3 seconds to complete.
5.
Once the controller LED stops flashing the red / blue sequence, it should then display a
constant blue, indicating that it is in MGC (manual) mode. Click "Mode" button twice to
go from MGC to TGC. The LED on the controller should now be a constant purple.
Note if the LED is flashing fast for the AGC channel count followed by an orange 1 or 2
blink, click the "Mode" button once to change from AGC to TGC.
6.
All DSIMs have a TGC default setting of 27 dB. There are three TGC factor options: 9
dB, 18 dB and 27 dB. The blinking pattern should indicate 27dB. Push the '-' button
once for 18 dB or twice for 9 dB. Check the blink pattern to verify TGC value.
a. Blink patterns for TGC
i. 27 dB (2 fast blinks, pause, 7 fast blinks, pause, 3 long blinks)
ii. 18 dB (1 fast blink, pause, 8 fast blinks, pause, 3 long blinks)
iii. 9 dB (9 fast blinks, pause, 3 long blinks)
7.
Click + / - button to go to the desired cable length setting choosing from 9 dB, 18 dB, or
27 dB. This cable length dB setting is the dB amount of cable in front of the amplifier.
controller.
1. For more than 1000ft of cable before the amplifier
1. For 600ft - 1000ft of cable before the amplifier
1. for less than 600ft of cable before the amplifier
Page 12 of 18
DSIM-SS
Installation Guide Rev A
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