User's Guide

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Figure 11 - Terminal Screen After Entering Fixed Remote Mode
Single Remote Mode Menu Item
To enter the Single Remote Mode, the user enters an ‘s’ at the terminal’s keyboard in the main
menu. A response of “The receiver is now in Remote Single Mode…” will verify the user is in
this mode on the terminal (see Figure 12). The Single Remote Mode allows the user to find the
appropriate bias setting by entering a single DAC bias value and analyzing the return associated
with the bias setting. The return will be a single line of ASCII characters in Packed Binary
Target Format representing the target returns accumulated at the set bias level. In this mode, the
SPIDER-650 will remain idle until a ‘b’ is typed indicating to the SPIDER-650 that the user is
about to enter a bias value. At this point, the SPIDER-650 will prompt the user to enter two
digits by displaying the ‘=0x’ combination of characters. Once the two hexadecimal digits are
entered, the SPIDER-650 will send a single line of 13 ASCII characters representing the target
return in a packed binary format as described in APPENDIX B - PACKED BINARY TARGET
RETURN FORMAT.
The Escape key must be pressed twice to exit this mode. Once a return occurs, the user can then
exit this mode. Upon exiting the Single Remote Mode, the following message will appear on the
terminal indicating that the user should enter one of the menu items:
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