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Instruction manual
Detailed description of the start-up and operation of your selected hardware.
CHG 70N-C charger
The CHG 70N-C is a network enabled charger featuring two individual charging bays.
Updating the firmware of the charger
You can update the charger firmware using the Sennheiser Control Cockpit software.

Instruction manual
Detailed description of the start-up and operation of your selected hardware.
- Base Station
- SEK
- DAD
- CHG 70N-C charger
  The CHG 70N-C is a network enabled charger featuring two individual charging bays.
  - Product overview
  - Connecting/disconnecting the charger to/from the power supply system
    You can operate the charger either with the Sennheiser NT 12-35 CS power supply unit or with Power over Ethernet (PoE IEEE 802.3af Class 0). Please refer to the following information.
  - Connecting a charger in a network
  - Cascading chargers
  - Charging the rechargeable battery
  - Power saving mode
    In power saving mode, the transmitters are charged only once. The charger also does not provide any trickle charge.
  - Updating the firmware of the charger
    You can update the charger firmware using the Sennheiser Control Cockpit software.
- L 70 USB charger
- Modular L 6000 charger
  These sections contain information about installing, starting up and operating the modular L 6000 charger and the corresponding charging modules.
- Cleaning and maintenance
  Note the following information when cleaning and maintaining products of the Spectera series.

Updating the firmware of the charger

You can update the charger firmware using the Sennheiser Control Cockpit software.

Note on firmware version 4.0.0

Devices with outdated firmware can no longer be reached in a cascade if the first charger has the new firmware.

Disconnect the chargers from the cascade.
Update the firmware of each charger individually.
Connect the chargers.

Updating with the Sennheiser Control Cockpit:

Connect the charger to a network (see Connecting a charger in a network) and establish the connection with the software.

For more information about controlling devices with the Sennheiser Control Cockpit software, refer to the software help.

You can download the software here:

sennheiser.com/control-cockpit