Vaisala WAT12 - Manual (Page 34)

User's Guide ________________________________________________________
32 _____________________________________________________M210309EN-A
Table 6 Jumper Selectable Reference Sources for
Testing
Variable Reference Signal Alternatives
Direction 000° / 008° / 357°
Speed 0.0 m/s / 0.8 m/s / 51.2 m/s
Follow the procedure below to test the WAT12 transmitter
functionality with the reference signals:
1. Remove the four screws holding the cover of the
WAT12 transmitter. Remove the cover.
2. Remove the jumper J5 from the jumper block X4 to
enable the test stage.
3. Select one of the direction and speed alternatives with
jumpers J1, J2, J3, and J4, refer to Table 7 below. For
the location of the jumper block X4, see Figure 4 on
page 14.
Table 7
Output Values for the Jumpers in the
Test Mode
Jumper Output Value
J1 ON 51.2 m/s
J2 ON 0.8 m/s
J3 ON 357°
J4 ON 008°
All open 0 m/s and 000°
4. Verify the readings with the data collecting system at
the receiving end.
5. To end the test stage, reattach the jumper J5 to the
jumper block X4.
6. After a successful test, carefully reattach the enclosure
cover with the four screws.
CAUTION Do not try to adjust the transmitter scaling from the sealed
potentiometers of the transmitter.