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TX312 Transmitter

TABLE 5.2-3. P127 Command 1: Read Status

In Loc Contents

1 Command Result Code

2 Bytes of data in self-timed buffer

3 Time until next self-timed transmission: Days

4 Time until next self-timed transmission: Hours

5 Time until next self-timed transmission: Minutes

6 Time until next self-timed transmission: Seconds

7 Bytes of data in random buffer

8 Time until next random transmission interval start: Hours

9 Time until next random transmission interval start: Minutes

10 Time until next random transmission interval: Seconds

11 Failsafe, 1 indicates transmitter disabled due to failsafe.

12 Loaded power supply voltage, 1 amp load. (tenths of volts)

13 Average GPS acquisition time (tens of seconds)

5.2.5.3 P127, Command 2: Read Last Message Status

Returns information specific to the last message transmitted plus the GPS

derived Latitude and Longitude.

TABLE 5.2-4. P127 Command 2: Read Last Message Status

In Loc Contents

1 Command Result Code

2 Message type: Self-timed or Random

3 Size of message in bytes

4 Forward power in tenths of watts

5 Reflected power in tenths of watts

6 Power supply voltage under full load, in tenths of volts

7 GPS acquisition time in tens of seconds

8 Oscillator drift (signed, hundreds of Hz)

9 Latitude degrees

10 Latitude minutes

11 Latitude seconds

12 Longitude degrees

13 Longitude minutes

14 Longitude seconds.

5.2.5.4 P127, Command 3: Transmit Random Message

Overwrite random buffer with 1 2 3 4 (ASCII)

During GPS acquisition the LED lights green.

During transmission the LED lights red.

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Campbell TX312 Spezifikationen Seite 36