Vaisala RS92-SGP - Manual (Page 29)

Chapter 3 ________________________________________________________________ Operation
VAISALA_______________________________________________________________________ 27
6. The back of the radiosonde facing you, press the sensor boom
gently forward with your thumbs until the plastic clips on both
sides click (you may have to spread the plastic clips slightly) and
the sensor boom sits firmly in the bent position.
0705-027 Figure 15 Placing the Sensor Boom into Flight Position
The sensor boom is now in the flight position and remains so
throughout the sounding.
Now proceed to connect the radiosonde battery.
CAUTION Only touch the bottom of the boom. Do not touch or hit the sensors.
NOTE The timer countdown is different for analog (RS92-KL and RS92-K)
and digital radiosondes (RS92-SGP, RS92-D): For analog
radiosondes, the timer countdown starts on the ground, beginning
when the radiosonde is connected to the Ground Check Set. Therefore,
you have to add some extra time to the timer to be able to activate and
connect the battery and launch the radiosonde. For digital radisondes,
the timer countdown starts from launch detect, and, therefore, no extra
time is required.