User manual ROLLS RM70

[. . . ] (2. 3 kg) PLEASE NOTE: THIS DEVICE IS INTENDED FOR AUDIO PROFESSIONALS. THIS MANUAL ASSUMES THE USER HAS A WORKING KNOWLEDGE OF PROFESSIONAL AUDIO EQUIPMENT. ROLLS CORPORATION SALT LAKE CITY, UTAH 10/06 USER GUIDE INTRODUCTION Thank your for your purchase of the Rolls RM70 Mic/Source Selector. The RM70 is a single rack space audio mixer with three XLR inputs and four stereo RCA source inputs. It is ideal for aerobics studios, karaoke lounges, or audio visual applications. INSPECTION 1. [. . . ] When turned clockwise, the bass content is cut (3 dB down at 300 Hz). - Source 5: Stereo 1/8" (3. 5mm) input jack. - Source Select: Selects which source input signal is sent to the outputs. NOTE: Source number 3 is the signal sent to the Music On Hold output. - Bass: Adjusts the low frequencies of the source inputs +/-12 dB at 100 Hz. - Treble: Adjusts the high frequencies of the source inputs +/-12 dB at 11 kHz. - Level: Adjusts the overall level from the main outputs. - Pwr: Indicates that power has been applied to the RM70, and the unit is on. To apply the 12 volts of phantom power to the individual microphones, move the corresponding PHAN switch DOWN. S t e If the Talkover function is desired, press down the DIP switch labeled T. O. PHAN r The signal present at Mic 1 will mute all signals at the Source Inputs, excluding the Music On Hold. Mic 2 and Mic 3 signals will still be sent to the outputs when the talkover function is engaged and the sources are muted. If operating in Stereo Mode, move the farthest left DIP switch up, if in Mono n Mode, press the DIP switch down. When in Mono Mode - the mixed right/left signal is present at both the Right and Left output jack. The Music On Hold output and level control are designed to send the signal from Source 3 to a telephone Music-On-Hold system. Refer to the owners manual of the telephone system for proper connection and adjustment. REAR PANEL Remote Volume Control To control the overall volume of the RM70 in a remote location, wire a 100K ohm Linear Taper potentiometer to the Remote Volume Control screw terminals as shown in Figure 1. Mic Insert To connect a signal processor to the RM70 microphone signal(s), use an insert plug, or cable wired as shown in Figure 2. Connect the Main Outputs, Right and Left to the distribution system or amplifiers. Once all connections are made, including proper connection to a grounded AC outlet, adjust the levels of Mic 1 through Mic 3 and their Tone controls for the desired amounts of signal and processing. [. . . ] When the indicated switch is down, 12 volts of phantom power is applied to that Mic input - Source 1 - 4: RCA inputs for connection to stereo sources such as cassette players, CD players, etc. - Source Input 3 is the input for the Music On Hold. - Music On Hold Level: Adjusts the level of signal from the Music On Hold output terminals. - Remote Volume Control: Screw terminals which connect to a 100K Ohm linear tapered potentiometer for controlling the main output level at a remote location. [. . . ]