Appendix A: Setup Mode Service Procedures
There are additional setup mode functions for servicing that follow the same procedure as the setup
functions described in Chapter 7.
Caution: The following setup functions are servicing procedures, and are included for
completeness. Do not perform any of the following functions unless you are being instructed
on what to do by a Gibson service technician or Gibson tech support.
Functions 21-24 require the Dark Fire Configuration Tool. If needed, Gibson technical support will
provide you with additional information on obtaining and using this tool.
Function 8 Runtime correction: Set up Powerhead runtime correction Default = 1
Value Result Clickstream
0 Turns off runtime correction (not recommended) 8 § 0 §
1 Monitoring Powerheads generates correction data for different string gauges 8 § 1 §
Note: It takes up to 10 tunings to match the Powerhead movement to a specific string gauge
Function 21 Magnetic PU (left channel) PEQ settings: Configure 4-band EQ Default depends on sound
Result Clickstream
Configure a band of the magnetic pickup PEQ 21
§ coil configuration number
§ band number § config data
Example: To configure the left channel, PEQ Band1 for the Gibson Classic sound, use the clickstream 21 § 0 § 1 § 16.
You need the Dark Fire Configuration Tool to calculate the correct config data.
Function 22 Magnetic PU (left channel) PEQ settings: Configure EQ gain Default depends on sound
Result Clickstream
Configure gain for the magnetic pickups' 4-band PEQ 22
§ coil configuration number
§ band number § gain data
Example: To configure the left channel, PEQ Band1 gain for the Gibson Classic sound, use the clickstream 22 § 0 § 1 § 0.
You need the Dark Fire Configuration Tool to calculate the correct gain data.
Function 23 Piezo PU (right channel) PEQ settings: Configure 4-band EQ Default depends on sound
Result Clickstream
Configure a band of the magnetic pickup PEQ 23
§ coil configuration number
§ band number § config data
Example: To configure the right channel, PEQ Band1 for the Gibson Classic sound, use the clickstream 23 § 0 § 1 § 16.
You need the Dark Fire Configuration Tool to calculate the correct config data.“3. To Change the Piezo pickup
settings…..by the MCKs guitar symbol.
Gibson Dark Fire 4.0 manual, page 33