Specifications

Appendix A: Details of Model 6203/6204 Hardware
166 025-9581M
Table 11: Switch Settings — Model 620x Transponder Board
Potentiometers
Ten of the audio circuits on the Model 6203 Transponder main board are adjustable. Some
of these circuits must be adjusted before the Model 6203 can transmit and receive
properly. (See Figure 49 on page 148 for potentiometer locations.)
For a more detailed procedure for setting the transmit and receive audio levels, see Level
Setting Procedures on page 117.
The Model 6203 and the Model 6204 can produce continuous FFSK test tones, for up to
30 seconds. These test tones are provided to help in the adjustment of the pots associated
Switch Description Address Value
SW2 -1 Address bit 1 (LSB) 1
SW2 -2 Address bit 2 2
SW2 -3 Address bit 3 4
SW2 -4 Address bit 4 8
SW2 -5 Address bit 5 16
SW2 -6 Address bit 6 32
SW2 -7 Address bit 7 64
SW2 -8 Address bit 8 128
SW1 -1 Address bit 9 256
SW1 -2 Address bit 10 (MSB)
(0 = Primary Unit at station,
1 = Secondary Unit)
512
SW1 -3 Not Used
SW1 -4 Not Used
SW1 -5 Not Used
SW1 -6 Not Used
SW1 -7 Software Configuration Program baud
rate select:
OFF = 1200 baud
ON = 9600 baud
SW1 -8 J1 mode selection
OFF = Printer mode
ON = Software Configuration
Program mode