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Operation of the Manpack in Frequency Hopping Mode
To operate in frequency hopping mode one of the two types of ESU’s (Encryption
Synchronisation Units) supplied with the frequency hopping option must be plugged
into the ESU socket on the top of the 2040 manpack adaptor. Both ESU’s acquire
satellite timing information so must be in view of the sky i.e. cannot be operated
inside buildings. This is why one version of the ESU has an extension lead to
enable the ESU to be positioned outside if operating within a building. Both ESU’s
can be used to supply position information for position tracking operations.
To operate the manpack in frequency hopping mode refer to the Section
“Frequency hopping” in this manual.
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