Blue Rhino 60-inch Lawn Mower User Manual
Contents
1. UOJ Input Connections Remote Volume Control REMOTE TMSTR M alalal If remote volume control is desired connect the Bogen accessory GS RVC remote volume control to the screw terminals marked REMOTE MSTR Wire length can be up to 1000 feet using 22 gauge wire Precedence Connections resta MICS MIC6 MIC1 MIC2 MIC3 AUX2 TEL _AUX1 S g a pS so np Se 9 EN 9 ee g OE AVANZA ZA ZARA AZ sas Y rro arre Y comes A reverses Y ems Y means cra Y meme PREC MIC AUX TEL PRECEDENCE Precedence connections allow any combination of inputs to be completely muted with a contact closure Closing a contact across any of the precedence termi nals and the PREC COM 1 terminal will mute that input A customer supplied normally open SPST switch push to talk switch microphone switch relay or telephone system contact can be used to provide the closure Note Activating the precedence control for Aux inputs completely mutes the input signal The VAR MUTE control has no effect when muting inputs using precedence control Output Connections Output Terminal Strip LINK A 25V GND COM CT 25V 8N 70V 77x OUT Kialaiaieiaizialaiei 4Q Output LINK shorting clip Shorting Clip Leave for unbalanced lines Remove for balanced lines Speaker systems are connected directly to the speak er output terminals on the rear panel Connect one speaker lead to the COM terminal and the other to the terminal corr2. Gata be ea ee ie Bian Ae oe ROE Rae ee eed 6 Phantom Power for Mic 5 amp Mic6 000 cece eee 6 Remote Volume Control 0 0000 eee eee 7 Precedence Connections mean een eee 7 Output Connections lt iss sau e a Oe ea ee ee ee da 8 Output Terminal Strip 00 0000 ee 8 WMT TA che eon bie Bald pea ee ee ee et eee ae ae ee 8 TO POWERAMP wets Siu aoe ee eee A ee kale Leu AS Vim a 8 Pre Out Power In Jack 22 22 00 cc eee eee 8 Tape QUE acne hee eee ited ais da dt OR Dean abe E AA ex 8 Operation 2 oncic un a EN eee ee ees ee eee we 9 POWER SWICH zu 2 222 aa ted wig Se weal anes ae Sok en eae 9 Individual Volume Controls 2 2222 000 eee ee eee 9 FosCutFllten Hk ses A Be A AA teh Ae E A OE A 9 Contour Pushbutton Switch 0 0 00000 9 Aphex Aural Exciter ese ad le A E ane eee Me bh cae oad A eens 9 Dual Function Acoustic Equalizer 0 20022 eee 9 Telephone Paging Control 1 0 cc eee 10 Varlable Mute coccion ac Bee Bae die ea cl a eee cM Bole BEN a ee eS 10 Troubleshooting sii sis ad gee oe a eed eg 11 Maintenance iaia aa dr an ae oth a Sine a WG ee les Oe geek ae cee 12 Bogen Service rn sa anne er nn ni abe 12 Technical Specifications ooooooooncrnrar nn nn nn 13 Important Safety Instructions com 9 1 Read and understand all instructions 2 3 Unplug the product from the wall outlet before cleaning Do not use liquid cleaner
3. TEL PRECEDENCE NK GUE 958 out IN CAUTION REPLACE m CIRCUIT BREAKER O SAME TYPE WITH TYI RE OUT AND RATING 3 4 10 9 116 8 21 2 15 1 Amplifier Output Terminal strip containing all the Gold Seal output taps 2 VOX Variable control for adjusting TEL input signal level trigger point for automatic muting of Aux input works only in the TEL input mode 3 REMOTE MSTR Screw terminal pair for connection of remote master volume control Bogen model GSRVC 4 MIC AUX TEL PRECEDENCE Screw terminal connections that allow externally controlled muting of indi vidual inputs 5 WMT 1A RCA connection for Bogen model WMT 1A 600 ohm balanced line matching transformer 6 TAPE OUT RCA unbalanced output pre EQ and master volume Mics are post Lo Cut filter see 14 below 7 TO PWR AMP RCA connection provides a high impedance unbalanced signal level output as a feed to high impedance inputs of other external amplifiers 8 AX Variable control for adjusting the amount of Aphex Aural Exciter effect 9 PRE OUT RCA unbalanced output from preamp mixer stage for connection to external signal processing equipment used in conjunction with POWER IN and LINK switch 10 POWER IN RCA unbalanced direct input to power amp stage for connection to external signal processing equipment used in conjunction with PRE OUT and LINK switch 11 LINK Switch that makes or breaks the internal connectio
4. and GS 150 depress the circuit breaker On the GS 250 check the fuse Replace fuse only with same type and rating No output on 70V 25CT or 25V Check that the LINK switch on the rear panel is in the IN position or external signal processing equipment if used is functioning Make sure that the shorting clip on the DIRECT OUT 49 output is in place No telephone output Make sure that the MIC 5 TEL switch is in the TEL position When connecting the telephone Tip amp Ring make sure to use the two outside terminals and not the center terminal GND Aux input will not mute with Check that the VAR MUTE control is not set to 4 0dB telephone page This control adjusts the level of the background music when making a page See page 10 Microphone squeals or hums when Check your wiring connections for the 3 pin connector using the 3 pin connectors but not Pin 1 is the shield connection Pins 2 and 3 connect when using screw terminals to high and low leads on the mic cable Condenser Mic will not work Make sure that phantom power switch MIC 1 4 is on See page 6 Mic 5 and 6 use circuit board jumper See page 6 Telephone input cuts off the music Adjust the VOX control on the rear panel to eliminate any without making a page unwanted noise that may be triggering the auto mute circuit See page 10 Telephone input is choppy or Adjust the VOX control counterclockwise to make the cuts off the beginning of a page trigger a
5. it describes Complete product warranty information is provided on a separate product registration card WARNING The Warning label calls attention to a procedure practice or the like which if not correctly performed or adhered to could result in damage to the unit or personal injury Do not proceed beyond a warning label until the indicated con ditions are fully understood and met Warning Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user s authority to operate the equipment Bogen0 is a registered trademark of Bogen Communications Inc APHEX is a registered trademark of Aphex Inc Contents Important Safety Information oooooooomnrnnann eee 2 Unpacking coccion ne Pe ote ee Ge a ele ee aa 2 Packing List 2 0 0 a a wee ae Ee EE ae aan Ri 2 Accessories iia eae ain pe a a aah AR he ee Ala he aioe Re aed 2 Features edt sh we tennis e gate e cathe Me been a sue edad ad eee ese 3 Front panel All Models tooo iria 4 22 8222 a a eo eke AA 3 Rear panel Models GS 35 GS 60 GS 100 GS 150 2 6 ee eee eee 4 Rear Panel GS2509 nr na a ck aA ala eee ne Le aca doe ed ne ee 5 INput CONNEC ONS oss srna saie ua ee ea ee ee ele ee ee ee ee ale 6 MiG Td Soc id a Btn Ba ee hc te aa hs Aa Sade te al fe 6 Mic DF TO soy aoe he ce ae a a A eee EP Rae a 6 Mic GIAUXA 3 2 case et ds ARA deed teed duet ba ete ead Atem 6 AUX2 oe bea Lad tad
6. only no DC voltage to the MIC 5 TEL screw terminals MIC 6 AUX 1 AUX1 tr aller The MIC 6 AUX 1 input is designed to accept input from a microphone using terminal strip connections or from a high level auxiliary source such as a tuner or CD player using the AUX 1 RCA jack A slide switch is used to select input type Connect a microphone to the screw terminals labeled MIC 6 works only when AUX 1 MIC 6 switch is in the MIC 6 position Use two con ductor shielded cable and connect the cable shield to the center GND terminal Connect an auxiliary input source to the AUX 1 RCA jack only works when the AUX 1 MIC 6 switch is in the AUX1 position AUX 2 The AUX 2 input uses an RCA plug and accepts input from a dedicated AUX source Phantom Power for MIC 5 amp MIC 6 A single internal jumper is provided to supply phantom power to both MIC 5 and MIC 6 The amplifier is shipped with the jumper in the OFF position See the figure below for the location of the phantom power jumper AUX2 MIC 5 and MIC 6 input terminal strip Phantom Power Jumper Location For Mic 5 and Mic 6 Warning Removal of the amplifier cover exposes internal components and presents an electrical shock haz ard For this reason do not perform any functions requiring removal of the cover of the amplifier unless you are qualified to do so Always discon nect AC power from the unit before attempting to remove the cover
7. BOGEN COMMUNICATIONS INC Gold Seal Series Amplifiers Models GS 35 GS 60 GS 100 GS 150 GS 250 D SAL SEES The Bogen Gold Seal Series amplifiers are an extraordinary addition to Bogen s line of quality audio amplifiers D esigned with the sound contractor in mind they provide unparalleled flexibility and versatility without the need for expensive add on modules Unlike other typical amplifier lines the professional sound contractor need not purchase a higher powered amplifier just to get more extensive features or flexibility Each of the Gold Seal Series amplifiers 250W 150W 100W 60W and 35 W models incorporate the exact same set of features In addition to its extensive input flexibility the Gold Seal Series amplifiers offer a combination of features not found in any other commercial amplifier Features 4 dedicated microphone inputs XLR connectors e 1 selectable Mic Tel input e 1 selectable Mic Aux input 1 dedicated Aux input 4 ohm direct coupled output 8 ohm 25V 25VCT and 70V transformer coupled outputs 35W 60W 100W 150W and 250W versions Rack mountable 2RU package for all models Dual function 10 band graphic equalizer Acoustic EQ Feedback Control True loudness contour function Aphex Aural Exciter for improved intelligibility e Switchable phantom power supply e Variable Aux input muting Downloaded from http www guardianalarms net Remote
8. C 2 MIC 3 MIC 4 f f ft MASTER MIC 5 TEL MIC 6 AUX 1 AUX 2 POWER 6 6 6 6 6 PENA E tE T o 10 0 10 0 10 0 10 o 10 B L CONTOUR a al FEE BY yi CONTROL In W OW a ONT IN 00 An sO IN 7 P EXCITER 5 Pay MIC 1 to 4 Individual level controls for dedicated microphone inputs MIC 5 TEL Individual level control for Mic or Tel input depending on input mode selected MIC 6 AUX 1 Individual level control for Mic or Aux 1 input depending on input mode selected AUX 2 Individual level control for dedicated Aux 2 input Band Dual Mode Equalizer 10 band graphic EQ with dual center frequency ability Dual Mode Equalizer Selector Switch Selects EQ frequency bands or EQ defeat OUT MASTER Master output level control oe oN 92 aA FF ODN APHEX AURAL EXCITER Enables or disables the Aphex Aural Exciter effect Affects all input signals 10 POWER AC Power switch Contour Enables or disables loudness equalization Affects only Aux 2 and Mic 6 Aux 1 if set in aux mode Features Rear Panel GS 35 GS 60 GS 100 amp GS 150 25V LINK DIRECT N 2 f GND COM CT 25V_ 8M 70Y_ x0UT An ol COMMUNICATIONS INC WMT 1A 70 ewe VAR PHANTOM MUTE o na o ma 0 m ON i 22 14 16 18 19 20 MIC5 TEL POWER IN zolo PREC TORNE MIC AUX
9. OX Threshold Mic Precedence Loudness Contour Aphex Aural Exciter Overload Protection Thermal Protection Line Fusing Dimensions Shipping Weight GS 35 GS 60 GS 100 GS 150 GS 250 35 watts 60 watts 100 watts 150 watts 250 watts 65Hz to 20KHz 0 2dB 2dB 20Hz to 20KHz 0 1dB rated power 0 5 max 0 3 typ 20Hz to 20KHz 0 5 max 0 3 typ 65Hz to 20KHz 2dB 94dB or better 70dB 70dB or better 600 ohms 60dB or better 200 ohms 6 Lo Z balanced via 4 XLR connectors and 2 screw terminals Sensitivity 0 35mV 2002 2 Hi Z RCA jacks Sensitivity 0 085V 10Kohms Screw terminals Sensitivity 0 07V 6000 5V Rated Output via RCA jack In 1V Out 1V via RCA jacks 25V Rated Output via RCA jack 687mV Rated Output via RCA jack Balanced or unbalanced 8 ohms 25V 25VCT 70V 4 ohm direct unbal Better than 2dB from no load to full load 4 steps 60 21 10 OdB Aux 1 amp 2 Distortion less than 0 5 Compression 25dB Input 20mV VOX control max CW position 60dB via terminal strip Mic 1 2 3 5 Tel 6 Aux Aux 2 8dB 100Hz 4dB 10KHz Aux 1 8 2 control at 1 4 CW position Type A9 Electronic with automatic reset 105 C 220 F thermistor attached to heat sink Resettable circuit breaker GS35 60 100 150 Slo Blo Fuse 6A 125VAC GS250 16 5 W x 3 5 H x 12 D All Models 19 lbs 24 lbs 28 lbs 31 lbs 33 lbs Bogen0 is a regist
10. ate for room acoustics or to satisfy the listening preference of the user Feedback Control Mode When the switch is placed in the FEEDBACK CON TROL position the equalizer can be used to reduce feedback and increase the effective gain of the sys tem In feedback control mode the equalizer provides increased control of frequencies between 125Hz and 8KHz The 10 bands are located on 2 3 octave cen ters with 12dB cut boost on each band Operation Telephone Paging Control The MIC 5 Tel volume control on the front panel con trols the volume of the telephone paging input when the control is set to the Tel mode See page 6 for infor mation on setting the Tel input mode The Tel input mode uses voice activated triggering for muting the AUX inputs and automatic level control for providing constant paging level To optimize Tel input performance the ALC control may need to be adjusted ALC The telephone page input features an automatic level control ALC which compensates for different voice levels and speaking styles of the individuals using the system The amplifier is shipped with this control in the OFF max counterclockwise position ALC To adjust the ALC 1 Rotate the MIC 5 TEL and MASTER controls to the highest level likely to be used 2 Speak softly and distinctly into the telephone mouth piece while adjusting the MIC 5 TEL volume control to the desired output level 3 Speak in a loud voice directly int
11. ctivate at a lower input signal level See page 10 The telephone page volume is too Adjust the ALC control on the rear panel See page 10 loud on some pages AUX 1 input not working Make sure MIC 6 AUX 1 switch is in the AUX 1 position Make sure the signal source is plugged into the AUX 1 RCA jack 11 Bogen Service Caution There are no user serviceable parts within the amplifier Have all internal servicing performed by a qualified technician The warranty may become void if repairs are performed by other than the Bogen Factory Service Department The Bogen Gold Seal Series Amplifier is covered by a 3 year warranty and overnight installation site replace ment program see below If you encounter difficulty with your Bogen Gold Seal amplifier please do not hesitate to ask our advice or assistance Information can be obtained by calling our Application Engineering Department or Factory Service Department at 201 934 8500 Please be sure to fill out and return the product regis tration card included with this unit Best results are obtained when you e Read the User s Guide before operating e Ensure all input and output wiring is correctly installed If using the 4 ohm output be sure to remove the shorting clip in the LINK position see instructions on page 7 Ensure that the LINK switch see the section on PRE OUT POWER IN JACKS on page 7 is in the IN position when not using external signal pro cessing equ
12. ered trademark of Bogen Communications Inc APHEX is a registered trademark of Aphex Inc 13 BOGEN COMMUNICATIONS INC 50 Spring Street Ramsey NJ 07446 Tel 201 934 8500 Fax 201 934 9832 www bogen com
13. esponding to the impedance of the speak er system Select only one of the output types For ground referenced output operation unbalanced systems leave the shorting clip between COM and GND For special applications that require floating out puts balanced systems remove the shorting clip between COM and GND To use the DIRECT OUT 4 ohm output remove the shorting clip across the LINK terminals and connect one lead to the 4Q terminal and the other to the GND terminal The GND COM shorting clip should remain in place Note The WMT 1A and TO PWR AMP outputs cannot be used if speaker GND COM shorting clip is not installed WMT 1A This RCA output jack when used with a Bogen WMT 1A Line Matching Transformer accessory provides a 600 ohm output to feed a remote amplifier or a telephone line Refer to the instructions pro vided with the WMT 1A accessory for connection information WMT 1A Note Shorting clip between GND COM on the speaker output terminals strip must be installed to use this feature To Power Amp The Gold Seal Series amplifier may be used to drive an external power amplifier can only be used with unbalanced high impedance inputs TO PWR AMP Note Shorting clip between GND COM on the speaker output terminals strip must be installed to use this feature Pre Out Power In Jacks These jacks permit the insertion of signal processing equipment into the signal path between the preamp output and
14. ipment For warranty service refer to the product registration card Our customer service support center can be reached at 201 934 8500 extension 1310 weekdays from 9AM to 8PM Eastern time Or you can e mail support bogen com 12 Warranty Service If you are shipping the unit for a warranty repair pack it in the original shipping container or similar container and ship prepaid via any responsible carrier Include a letter stating the problem and proof of purchase show ing the purchase date The amplifier will be promptly repaired and returned to you freight prepaid while in warranty Service After Warranty Has Expired If the amplifier requires service after the warranty has expired ship it to us as per above along with a letter giving us your name and address We will examine the unit and contact you with an estimate of repairs before any repair is made Return shipment of equipment not in warranty will be at the expense of the owner Technical Specifications Power Rating RMS GS 35 GS 60 GS 100 GS 150 GS 250 Frequency Response Transformer Output Direct Distortion Direct Transformer Signal to Noise Ratio Fundamental Aux 1 amp 2 Tel Mic 1 6 Inputs Outputs Mic Aux Telephone Output to Power Amp Power In Pre Out WMT 1A Output Tape Output Output Impedance Output Regulation Variable Mute Range ALC V
15. master volume control capability Input muting via contact on all inputs Voice activated aux muting on Tel input Automatic level control on Tel input Aux fade back after Tel page Preamp out Power amp in connections Booster amp output connection Tape output connection Balanced line driver output using WMT1A accessory Lo cut filter for Mic channels 3 speed fan cooling GS 250 only Available tamper resistant front cover Available rack mounting kit Available remote volume control O 1997 Bogen Communications Inc 50 Spring St Ramsey NJ 07446 Publication No 54 5941 04 9903 Printed in Korea All rights are reserved No part of this document may be photocopied reproduced or translated to another language without the prior written consent of Bogen Communications Inc Notice The information contained in this document is sub ject to change without notice and should not be construed as a commitment by Bogen Communications Inc Bogen Communications Inc assumes no responsibility for any errors that may appear in this document nor does it make an expressed or implied warranty of any kind with regard to this material including but not lim ited to the implied warranties of merchantability and fitness for a particular purpose Bogen Communications Inc shall not be liable for incidental or consequential damages in connection with or arising out of the furnishing performance or use of this document and the equipment which
16. n between preamp mixer stage and power amp stage for use with external signal processing equipment 12 AUX 2 RCA unbalanced input for dedicated Aux 2 input 13 MIC 1 to 4 Balanced XLR connectors for dedicated microphone inputs 14 LO CUT FILTER Enables or disables low frequency roll off 65 Hz for all microphone inputs 15 PHANTOM MIC 1 to 4 Individual switches enables or disables phantom power to each of the 4 dedicated microphone inputs MIC 5 and MIC 6 phantom power selection see page 6 Features Rear Panel GS 250 1 14 22 8 21 2 16 18 19 20 SND com Ga EN en ZN a so cur War Ye ac vox MES Ue OT u FILTER MUTE IN 1 3 CLASS 2 WIRING CEA OUT 4 k ACCEPTABLE m 1 i BOGEN a m COMMUNICATIONS INC ON OFF on ll OFF ON Mm ON OFF laiaialaalal am a MIC1 De MIC3 AUX2 COM MoS Mice wor a N PRE OUT 120V 60 L precenence en 5 0A 480 O MOgEL GS 250 CAUTION RI Lace FUSE y wai En O PWR AMP Ap MIC2 16 MIC 6 AUX 1 Switch selects either MIC 6 or AUX 1 connections as input 17 AUX 1 RCA unbalanced input for Aux 1 input signal works only when AUX 1 MIC 6 switch is set to AUX 1 18 MIC 6 Screw terminals for balanced microphone active only when AUX 1 MIC 6 switch is set to MIC 6 19 MIC 5 TEL Dual function Screw terminals for either balanced microphone or 600 ohm balanced in
17. o dangerous voltages or other risks Incorrect assembly can cause electric shock when the product is subsequently used 12 Unplug this product from the wall and refer servicing to the factory service center personnel under the following condi tions a W hen the power supply cord or plug is damaged or frayed b If liquid has been spilled into the product c If the product has been exposed to rain or water d If the product does not operate normally by following the operating instructions Adjust only those controls that are covered by the operating instructions because improper adjustment of other controls may result in damage e If the product has been dropped or the cabinet has been damaged f lf the product exhibits a distinct change in performance NOTE SAVE THESE INSTRUCTIONS Unpacking Packing List The unit was carefully checked before leaving the factory The Gold Seal Series carton contains the following components 1 Gold Seal Series unit 1 User Manual 1 Product Registration Card Accessories The following accessories are available for your Gold Seal Amplifier at additional cost e Model GSTRC A plexiglass cover to protect control settings Model GSRPK Rack mounting installation kit Model GSRVC A remote volume control to control volume of the amplifier from distances up to 1000 feet Features Front Panel All Models Dn A GOLD SEAL SERIES ET eee 1 f MIC 1 MI
18. o the telephone mouthpiece while rotating the ALC control clockwise to the point where the output of the amplifier is reduced to the same level as that obtained in Step 2 4 The MIC 5 TEL and MASTER controls can be used to vary the overall volume without upsetting the ALC adjustment 10 VOX The telephone page input features voice activated Aux muting This feature always mutes AUX 2 and only mutes AUX 1 when the AUX1 MIC 6 is set in that position VOX O The VOX control should be set so that only the desired signal is above the threshold level while unwanted noise or signal is below it To adjust the sensitivity of the circuit 1 Rotate the VOX control fully clockwise While mak ing a public address announcement and talking at a low level the sound should not be choppy or miss ing parts of words If it is choppy or intelligibility is poor rotate control counterclockwise to the point where the sound is clear and crisp but not to the maximum counterclockwise position If the background music shuts down when no page is in progress rotate the control counterclockwise until the music will not shut down when no page is in progress VAR MUTE VAR The VAR MUTE control mutes the MUTE Aux input s only during telephone TTT 1 1234 pages The control allows the user to select from 4 levels of muting 1 60dB 2 21dB 3 10dB 4 OdB Troubleshooting Amplifier will not turn ON On the GS 35 GS 60 GS 100
19. put from telephone page port 20 MIC 5 TEL Switch selects mode of operation for MIC 5 TEL input 21 ALC Variable control to adjust the amount of automatic level control applied to the TEL input works only in the TEL input mode 22 VAR MUTE 4 Switch selectable levels of Aux input signal muting during TEL page works only in the TEL input mode 23 Fan 3 speed fan for efficient cooling GS 250 only Input Connections Installation Note Keep input leads away from the output leads and AC power cables Unless the driving source pro vides a low impedance output keep the input lead under ten feet in length Make all connections to the unit with the POWER switch in the OFF posi tion MIC 1 4 of o A vi 1 GND 2 a 4 1 3 2 Me Ml MIC 1 through 4 utilize female XLR type microphone connectors A slide switch located above each XLR connector is used to supply phantom power for con denser microphones MIC 5 TEL MICS TEL 7 MIC5 TEL aida en The MIC 5 TEL input is designed to accept input from a microphone or from a telephone line A slide switch is provided to select MIC 5 or TEL input To connect a microphone place the MIC 5 TEL switch in the MIC position Use two conductor shielded cable and con nect the cable shield to the center GND terminal To use the TEL input place the MIC 5 TEL switch in the TEL position and connect the 600 ohm telephone pag ing source dry signal
20. s or aerosol cleaners Use a damp Follow all warnings and instructions marked on the product cloth for cleaning Do not use this product near water Do not place this product on an unstable cart stand or table where the product may fall causing serious damage to the product Slots and openings in the cabinet and the back or bottom are provided for ventilation to protect it from overheating These openings must not be blocked or covered This product should not be placed in a built in installation unless prop er ventilation is provided This product should be operated only from the type of power source indicated on the marking label The power supply included with this product has a 2 prong plug for connection with a standard electrical outlet Do not allow anything to rest on the power cord Do not locate this product where the cord will be abused by persons walking on it Do not overload wall outlets and extension cords as this can result in the risk of fire or electrical shock 10 N ever push objects of any kind into this product through cabinet slots as they may touch dangerous voltage points or short out points that could result in a risk of fire or electric shock Never spill liquid of any kind on the product 11 To reduce the risk of electric shock do not disassemble this product but return it to the factory service center when some service or repair work is required O pening or removing covers may expose you t
21. the power amp input The LINK switch POWER IN should be in the IN position for ALCAN normal operation When using external signal processing equipment place the switch in the OUT position and connect PRE OUT to the signal process ing equipment s input Connect the POWER IN to the signal processing equipment s output PRE OUT Tape Out The TAPE OUT jack provides a line level output to feed a tape recorder The output is not effected by the Master volume control or EQ however the Lo cut filter does affect the micro phone inputs TAPE OUT Operation Power Switch The POWER switch applies power to the unit The switch will illuminate when power is on POWER Individual Volume Controls Each input is controlled by an individual volume con trol MIC 1 MIC 2 MIC 3 MIC 4 MIC 5 TEL MIC 6 AUX 1 4 6 4 6 4 6 6 6 6 4 6 o 10 ie 10 o 10 o 10 o 10 o 10 o 0 The overall volume is controlled by the MASTER control AUX 2 Lo Cut Filter The Lo Cut filter on the rear panel provides 3dB attenuation 65Hz on the microphone inputs This helps reduce mic breath pop wind noise and rumble LO CUT FILTER IN OUT Contour Pushbutton Switch This switch enables or bypasses the variable loudness contour This feature only effects the Aux inputs DO contour l IN OUT This feature is designed to improve richness of sound by restoring the high and low frequencies that the ear is insensitive to at low vol
22. ume levels The effect dimin ishes as volume is increased an dy ON APHEX AURAL EXCITER Aphex Aural Exciter The front panel APHEX AURAL EXCITER pushbutton enables or bypasses the Aphex Aural Exciter feature This feature effects all inputs when enabled This audio enhancement system recreates the pres ence and realism that is lost in the audio amplification process by regenerating the harmonics usually lost through amplification This results in increased pres ence and clarity increased intelligibility greater per ceived loudness without adding extra power and reduced listener fatigue The rear panel AX adjustment controls the mix of the Aphex effect with the audio signal Counterclockwise rotation of the control minimizes the Aphex effect Clockwise rotation of the control maxi mizes the Aphex effect AX Dual Function Acoustic Equalizer The unique dual function equalizer can be used for acoustic shaping or for feedback control 62 5 125 250 500 IK 2K 4K 8K 12K 16K ACOUSTIC EQ E o U T FEEDBACK CONTROL Im TT e Bupi IN WOW Do NH Note When the switch is placed in the OUT posi tion the equalizer is bypassed for a flat response Acoustic Shaping Mode When the switch is set in the ACOUSTIC EQ position full range equalization 10 bands on 1 octave centers starting at 62 5Hz is provided with a boost cut of 12dB In this mode the equalizer can be used to com pens
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