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HP 8920A - Page 398

HP 8920A
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398
S:\HP892XX\USRGUIDE\manual\encoscrn.fb
Chapter 10, Signaling Encoder (AF Generator 2)
LTR Encoder
Free 1, Free 2
Enter the repeater number to transmit to when the radio is keyed. When channel
switching is performed, you would specify any of the other repeaters in the
system.
Goto 1, Goto 2
Enter the repeater number to receive when the message is sent.
Home 1, Home2
Enter the home repeater number programmed into your radio.
ID 1, ID 2
Enter the transmit or receive ID number programmed into your radio.
LTR message
This field selects which message (Message1 or Message2) is output when Send is
selected. The underlined message is output.
Polarity
This setting determines the relationship between the LTR Encoder’s data stream
logic levels and the effect on the modulated signal.
When this field is set to
Invert, a logical high (1) causes the output level of the
AF Generator to be more negative. A logical low (0) causes the level to become
positive by the same amount.
Send
Selecting this field causes the LTR Encoder to start modulating the RF Generator.

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