The
When the phantom power is activated, the
The
A switch lets you select between stereo or mono operation. For stereo operation, the adapter sends the left input signal to the left channel and the right input signal to the right channel. The two channels are never mixed allowing you to access both channels during editing for maximum versatility. For mono operation, both channels are mixed together - ideal when using only one audio source to give you two channel recording.
A ground lift switch labeled G1 / G2 provides either an isolated or connected ground between the adapter chassis and output cable ground.
Operation
Mounting and Connection
Mount the
Power
Install a fresh 9 volt battery in the adapter. Turn on the PWR switch to activate the unit. The LED above the switch should light to indicate good battery power. Turn off power when not in use to conserve battery power
Initial Setup
Set the camcorder to “manual” audio to deactivate the AGC. Turn the gain control on the camcorder to a very low setting – about 20% of maximum. If you later determine that you require more volume, you can increase the camcorder gain. Many camcorders will either have a “peak” indicator to warn of high audio levels or a VU meter or both. If the peak indicator ever comes on, or the VU meter reaches 0 VU, then you will need to decrease the camcorder gain setting to avoid distortion.
Phantom Power
If you are using a condenser microphone that requires phantom power to operate, turn on the switch labeled “48V” for the channel that it is connected to. Dynamic microphones, wireless receivers and connections to mixing boards should not have phantom power activated so be sure that the switch is OFF when using these devices.
MONO / STEREO Switch
Set the switch to MONO if using a single microphone. Set it to STEREO when using two microphones.
Gain Control
Each channel of the
Set the gain control for the desired volume level on the camcorder. Sensitive condenser type microphones like the popular Sennheiser ME66 will require a minimum amount of gain while most dynamic type microphones require maximum amount of gain. Use the level indicator and your headphones on the camera as a guide. See the limiter description below for information on proper gain setting when the limiter is active.
Limiter
Each channel has an independent limiter to prevent distortion caused by excessively hot inputs. We recommend that this switch be activated at all times to ensure clean, distortion free audio. When activated, the corresponding LMT indicator will flash in proportion to the amount of limiting. Set the gain control so that the indicators are flashing regularly. If they are on continuously, decrease the gain.
Ground Lift Switch
Set the G1/G2 ground switch on the
Record
You are now set up and ready to record your audio. By keeping the limiters activated, you can ensure distortion free audio without having to constantly fuss with the audio levels. Happy recording!
©2006 BeachTek Inc.