full. A frequency reference line allows viewing a specific
frequency.
You can listen to bats using Wildlife Acoustics patented Real
Time Expansion (RTE) or Heterodyne (HET). RTE translates the
ultrasonic sounds to a range that is audible to humans by
taking tiny snippets of the sound and slowing it down. Since
there is quite a bit of space in between bat echolocation calls
relative to the length of the call, the space in between is used
to play back the slowed down call. When in HET mode,
double tap the grey frequency reference control to go into