Research Concepts RC1000 - Manual (Page 20)

RC1000A Antenna Controller...........................................................6-9 Speed Mode 18
6-9 SPEED Mode
The SPEED feature allows the user to match the drive voltage levels to his particular antenna
load. By using this function, the installer can accommodate a wide range of cable runs or
antenna load requirements and still maintain an optimum drive level. This feature is applicable to
both slow and fast speeds. The system defaults are 11 for slow and 23 for fast.
1.
Proceed to SLOW or FAST mode (found in the PROGRAMMING Mode Group.)
2.
While referring to Figure 6.9 on the following page, select a speed index to yield an
output voltage, relative to maximum, that will drive the antenna satisfactorily. Use the
A
& B keys to change the displayed value and the E key to fix it.
3.
Try this new value while in the MAN mode to see if the results are satisfactory. If not,
repeat steps 1 & 2.
6-10 AUTO-POL Mode
Auto-Pol mode is used to slave the RC1000A polarization toggle to an externally generated
signal, normally provided by a commercial receiver. With this mode enabled, the RC1000A will
change the antenna's receive polarity as the controlling receiver's channel index is advanced.
To implement this control, the user must specify if a high level (example: 12V) or low level (0V)
signal coincides with vertical polarization. By pressing the A key, the user selects a low signal
level and the RC1000A acknowledges this by changing the lo indication to upper case letters
(LO) and the HI to lower case (hi). The opposite is true to select a HI level. Finally, to turn this
function on, the user presses the E key to toggle between ON and OFF in the display.
When this feature is ON, the CW/CCW keys are disabled in all modes, and the polarization H/V
toggle (E key) is disabled in MAN mode. The user can tell if this feature is enabled while in MAN
mode, by noting a RCV:__ indication in the lower right corner of the display where POL:__
typically resides. This is shown below.