User manual ROCKTRON R20

[. . . ] USER'S MANUAL R20 Electric Guitar Amplifier (with AGXTM Technology) May be covered by one or more of the following: U. S. Patents #4538297, 4647876, 4696044, 4745309, 4881047, 4893099, 5124657, 5263091, 5268527, 5319713, 5333201, 5402498 and 5493617. [. . . ] 4 Rocktron Corporation 2870 Technology Drive Rochester Hills, MI 48309 USA Phone: Fax: World Wide Web: E-mail: (248) 853-3055 (248) 853-5937 http://www. rocktron. com rocktron@eaglequest. com PRECAUTIONS NOTE: IT IS VERY IMPORTANT THAT YOU READ THIS SECTION TO PROVIDE YEARS OF TROUBLE FREE USE. · All warnings on this equipment and in the operating instructions should be adhered to and all operating instructions should be followed. Care should be taken so that objects do not fall and liquids are not spilled into the unit through any openings. · The power cord should be unplugged from the outlet when left unused for a long period of time. DO NOT MAKE ANY INTERNAL ADJUSTMENTS OR ADDITIONS TO THIS EQUIPMENT AT ANY TIME. FAILURE TO FOLLOW THESE INSTRUCTIONS MAY VOID THE WARRANTY OF THIS EQUIPMENT, AS WELL AS CAUSING SHOCK HAZARD. OPERATING TEMPERATURE Do not expose this unit to excessive heat. This unit is designed to operate between 32° F and 104° F (0° C and 40° C). This unit may not function properly under extreme temperatures. 1 Front Panel 1 3 2 4 5 6 8 7 9 1 INPUT jack Connect your guitar output to the 1/4" input jack with a shielded guitar cable. OVERDRIVE GAIN control Adjusts the amount of amplification in the preamp when the OVERDRIVE channel is active. OVERDRIVE LEVEL control The LEVEL control adjusts volume in the OVERDRIVE mode. Once GAIN is set, adjust the LEVEL control to a reasonable practice volume. CLEAN LEVEL control When OVERDRIVE is NOT active, this is the volume control for the CLEAN setting. [. . . ] Power Output Speaker Parameters Dimensions R20 20 Watts 8" Velocity® High Definition by Rocktron 12. 5"W x 9"D x 13. 8"H (318 x230 x 350mm) 10. 82lbs. (4. 9Kg) Spring 100 Volts AC, 50/60Hz or 117 Volts AC, 50/60Hz or 220/240 Volts AC, 50/60Hz, as specified on chassis Weight Reverb Power Requirement CE Approved 4 [. . . ]