Manual

Chapter 3 ________________________________________________________________ Operation
VAISALA_______________________________________________________________________ 35
7. Press the red switch on the battery case to activate the battery. The
green LED next to the red switch is lit, indicated with an arrow in
Figure 27 on page 35. Make sure the LED stays lit.
Figure 27 Green LED Light is Lit
If the LED is not lit, see the instructions in section Checking the
Connection on page 35.
8. Check from the sounding system software that the telemetry link is
working well. For detailed instructions on using the sounding
software, refer to the sounding system documentation.
Checking the Connection
If the LED is not lit when you press the switch, the battery connector
may not be properly connected to the connector holder in the battery
case. To check this, do the following:
1. Remove the radiosonde and the battery case from each other, for
example using a small coin. See section Removing the Battery
Case on page 39 for details.
2. Connect the battery again carefully following the instructions in
section Connecting the Dry-cell Battery Set with Switch on page