Inserting and removing the batteries/rechargeable batteries

You can operate the handheld transmitter either with batteries (AA, 1.5 V) or with the rechargeable Sennheiser BA 70 battery.

  1. Press the two catches and open the battery compartment cover.
  2. Insert the batteries or the BA 70 rechargeable battery as indicated in the battery compartment. Observe correct polarity.
  3. Close the battery compartment.
    The cover locks into place with an audible click.
Note about the BA 70 rechargeable battery
  • Make sure that the BA 70 rechargeable battery is inserted as follows: