Main Soundboard ONLY

Startup and Booting Under no circumstances during normal operations should anything be connected or disconnected from the GLD rear panel. The only acceptable connections are USB Flash Drives and Headphones. These inputs are on the front panel. To unlock the panel housing the GLD, you must first retrieve the keys from the lockbox behind the seating area. The combination is 4039 in any order. To replace the panel, the same combination must be entered and the lock mechanism reset. This set of keys will also unlock the storage room door, where all the microphones, cables and related equipment are held at the front of the Sanctuary. After unlocking the panel, insert the cylindrical key into the lock labeled AUDIO, and turn it 90 degrees clockwise. The green light should illuminate, signifying power delivery to all audio components. There is a second power switch on the main panel on the left hand side. You may need to pull the panel out slightly to engage the switch.

Rear Panel View of the GLD 80

To safely shut down the panel, return to the Home screen by clicking on the Processing button and selecting the Power Down function. Wait for the screen to indicate that the panel is safe to shut down, and switch off the power from the rear of the GLD before turning off power to all audio components from the wall panel.

Saving and Loading Equalization/Balance (EQ/BAL) The equalization functions of the mixing board contain both paragraphic (PEQ) and graphic (GEQ) options. The concept is fairly simple The purpose of EQ is to boost or cut certain frequencies. The High Pass/Low Cut Filter (HPF) reduces bass frequencies, and a safe default setting should be at 75.0 Hz. It reduces rumbling and movement related captures. Quick Tips: To increase clarity of the voice: Boost mids (300-1000) and highs (12k-16k) and reduce bass frequencies (

Properly set a gate by turning the knob just enough that the background noise is inaudible. Troubleshooting