User manual FENDER PX 2208D

[. . . ] The Dual Professional was created for the player who requires a high power amplifier capable of lots of clean volume and "headroom" while retaining the warm, sweet singing tones of tubes. It is equipped with the 3-knob tube reverb for maximum versatility of reverb effects. The vibrato effect in the Dual Professional is of the direct-coupled oscillator type not heard from since the early 60s, giving a much different effect than the "Blackface" type tremolo, as found in the Twin Reverb®. It has 2 volume controls, switchable via the front panel CHANNEL A/B switch or the footswitch. [. . . ] For example, when using a Dual Professional with a `59 Bassman, where you do not wish to have reverb on the Bassman, first plug the guitar into the Dual Professional input 1. Then connect a cord between Dual Professional input 2 and the Bassman® input 1, either channel. Now you can play both amps simultaneously. DWELL - This Adjusts the length of the reverb by varying how hard the springs in the reverb pan are driven. MIX - Controls the depth or strength of the reverb. TONE - Adjusts the brightness of the reverb. CHANNEL A/B - Allows front panel selection of CHANNEL A or CHANNEL B. SPECIAL NOTE: This switch is deactivated by plugging in the footswitch. FAT A - Adds a 3dB boost in gain on the A CHANNEL only. G. FAT B - Adds a 3dB boost in gain on the B CHANNEL only. VOLUME A - Controls the loudness of CHANNEL A. If the EXTERNAL SPEAKER JACK is used without a cord plugged into the main SPEAKER JACK , there will be no sound. FOOTSWITCH JACK - Plug in connection for the footswitch. The footswitch allows remote control of vibrato on and off, as well as switching from CHANNEL A to CHANNEL B. EFFECTS RETURN - This is a post-reverb amplifier input. It may be used as a reinsertion point in an effects loop, or as a guitar input when no reverb is desired. H. EFFECTS SEND - This sends the instrument signal from INPUTS 1 and 2 along with the reverb out of the amplifier at a -20 dB level. It may be used to drive effects units in an effects loop, or it may be used to drive additional amplifiers in a multi-amp set up. VIB - Push on, push off switch that turns the VIBRATO feature on and off. CHA - Push on, push off switch that turns the CHANNEL A/B feature on and off. K. LINE CORD - (not shown) Your amplifier is equipped with a 3-prong grounding type supply cord to reduce the possibility of shock hazzard. Be sure to connect it to a grounded receptacle. [. . . ] The exclusive Fender tolex covering on your cabinet may be cleaned periodically with a sponge and a light soapy solution. Be careful not to let liquid come in contact with operating surfaces. TROUBLESHOOTER'S CHECKLIST If the amp is set up but does not function, check the following items -Is the amp power cord properly plugged into an electrical outlet?-Are the speakers properly connected to the amplifier? [. . . ]