According to your recording devices, you have to set the output volume of the Tentacle to AUTO, LINE or MIC.
With AUTO enabled, the Tentacle switches automatically to MIC-level when plugged into a device with plugin power (for 3.5 mm mini jack inputs used on a Sony a7s or Lumix GH5 for example) or phantom power (for XLR inputs).
This helps preventing distortion on microphone inputs, in case you forgot to set the output level to MIC. Is AUTO enabled, the manual settings MIC and LINE are locked. This is the preferred setting for most devices
Professional cameras with a dedicated TC-IN connector demand timecode with LINE-level
Tentacle can also be used with cameras and recorders without a dedicated TC-IN connector. In such case you need to record the timecode signal as an audio signal on an audio track of that device. Some devices only accept microphone-level audio, so you have to adjust the output level through the setup app in order to prevent distortion of the timecode signal