5 stars on this manual since it is the complete version, not the half manual you find free for download all over the web. Good job.
Text excerpt from page 3 (click to view)
FRONT PANEL / REAR PANEL VIEW
FRONT PANEL CONTROLS
Five Channel Power Amplifier S250
RETURN TO CONTENTS
PROTECTION SOFT CLIPPING
1. POWER SWITCH 2. POWER INDICATOR
The graphic symbol of a lightning flash with an arrow point within a triangle signifies that there is dangerous voltage within the unit and it posses a hazard to anyone removing the cover to gain access to the interior of the unit. Only qualified service personnel should make such attempt.
3. PROTECTION INDICATOR 4. SOFT CLIPPING INDICATOR
The graphic symbol of an exclamation point within an equilateral triangle warns a user of the device that it is necessary to refer to the instruction manual and its warnings for proper operation of the unit.
REAR PANEL CONNECTIONS
+12V TRIGGER IN
AC MAINS INPUT 120V
1. 2. 3. 4.
LEVEL CONTROL INPUT JACK SOFT CLIPPING SWITCH AUTO TRIGGER SWITCH
5. 12V TRIGGER INPUT 6. SPEAKER TERMINALS 7. AC INLET