Proel AF4 User Manual
Page 6

 
Front panel description 
1. POWER switch and LED 
2. Frequency/level LED indicator 
3. Filter bypass master switch 
4. Frequency and filter attenuation settings 
 
 
Rear panel description
1. IEC standard AC power supply socket 
2. Fuse-holder 
3. 24V DC emergency power supply terminals 
4. Balanced 6.3mm (1/4”) output jack connector 
5. Balanced 6.3mm (1/4”) input jack connector 
 
 
 
 
 
 
