– 142 –Chapter 12 Extension module — Before using the extension moduleBefore using the extension moduler This device is a module that extends the distance between the camera module (optional) and the recording module (optional).The distance between the camera module and the recording module can be extended by using the extension cable (optional).r A power supply to the camera extension module and recording module (optional) is required.When using the device, a power supply to both the camera extension module and recording module is required.r To use the extension module, update to the latest firmware that is compatible with the extension module.Update the firmware of the camera module (optional) and recording module (optional) before using the device. An error will be displayed if anincompatible firmware is used. For details on how to update the firmware of the camera module and recording module, refer to “Updating the camerafirmware” (page 166).r You cannot update the firmware of the camera module (optional) and recording module (optional) if the extension module isconnected.To update the firmware, remove the extension module and perform the update with the camera module directly connected to the recording module.