Optional External Power Supply - SoundCraft GB4 User Manual

Me Met t t t t er er er er ers no Me s no s no t sho t sho wing an wing an
Me Me s no s not sho t sho t showing an wing an wing any signal
Has the input gain been set correctly? (see above.)
Is the source connected to the appropriate input socket for the level of signal?
Do you have something connecetd on the Inserts, and is that external device switched on?
Are the Master faders set at max., are input faders set high enough and is the channel routed to the output being monitored?
Is the MUTE switch released on the relevant channels?
Is the appropriate monitor select switch pressed?
Is there a PFL/AFL pressed on another channel?
No Mix output No Mix output
No Mix output No Mix output No Mix output
Check that the Mix Master Fader is up?
N N N N N o Monit o Monit o Monit o Monit o Monitor output or output or output or output or output
Is a headphone jack plugged in?
Are the Monitor + Phones controls set high enough?
Is the appropriate monitor select switch pressed?
Headphones Dis Headphones Dist t t t t or or or or orting Headphones Dis Headphones Dis Headphones Dis ting ting ting ting
Are the headphones less than 200 impedance?
Is the Phones level set too high?

Optional External Power Supply

Although the GB4 has its own internal power supply, an external backup power supply (DPS-3) can be connected to provide a
backup power supply. There is a dedicated connector on the rear connector panel.
16
y signal y signal
y signal y signal
GB4 User Guide