E F - 7 0 1 M I N T E R F A C E
2 - 1 1
6.Lift off the cover.
7.Make the necessary adjustments of jumpers P3 and P4 (shown in the following table).
To set a jumper to the closed position, plug it onto both pins. To set a jumper to the
open position, plug it onto only one of the pins.
Table 2-1: P3 and P4 jumper settings
8.For reassembly, reverse steps 1 through 6.
Note: The potentiometer (R13) is used to factory tune the 20-kHz call-signal detection
circuitry. It should be adjusted only by qualified personnel.
BAUD 1
BAUD 2
RATE
Open
Open
19.2 kBaud
Closed
Open
9.6 kBaud
Open
Closed
4.8 kBaud
Closed
Closed
2.4 kBaud
