In-Situ Rugged TROLL 100/200 Operators Manual - Manual (Page 14)

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3. The Rugged TROLL Com requires a minimum of 8 VDC. If you lose connection to
the instrument, particularly when using a long cable, replace the 9 V battery on the
TROLL Com.
4. Release the connection to the uphole cable end by pushing in the white tab on the
TROLL Com.
Deploying the Instruments
You can deploy a Rugged TROLL Instrument with or without a Rugged BaroTROLL
Instrument. Use the Rugged BaroTROLL Instrument when you want to compensate
water level measurements for atmospheric pressure.
Use the following steps for each instrument.
1. Connect the instrument to a computer with Win-Situ 5 Software installed.
2. Make sure that you sync the clock .
3. Program a log. See the Win-Situ 5 or Win-Situ Mobile section of this document for
more details.
The BaroTROLL measurements can be taken far apart as long as
they cover the general time period as the Rugged TROLL log.
If the Rugged TROLL log uses the reference "Set first logged
reading to," the Rugged BaroTROLL log should start before the
Rugged TROLL log to ensure that barometric pressure is
measured when the first level reading is captured.
4. Disconnect the BaroTROLL, attach the hanger, and deploy it suspended or lying in
a protected location above water level near the submerged Rugged TROLL 100 or
200. One possibility is shown in Figure 11.1 .
Do not submerge the Rugged BaroTROLL Instrument.