- #DIGITECH 2120 TROUBLESHOOTING HOW TO#
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- #DIGITECH 2120 TROUBLESHOOTING FULL#
- #DIGITECH 2120 TROUBLESHOOTING SERIES#
Note that the master volume control and tone controls will have no effect on the aux output signal. The audio signal is the mix of the input channels. An auxiliary output that you may connect to additional amplifiers is available.Also, a switch closure across the priority input pins will return the unit to normal operating mode. Return of signal (-40 dBu or 7.75mVRMS) to any input will wake the unit. This unit is designed to go into sleep mode after approximately 30 minutes operating with no signal at any of the inputs.Remote volume control can be implemented using a CSR-V controller connected via an Ethernet cable to the RJ45 connector on the back panel.If the amplifier has entered sleep mode due to inactivity, invoking priority will also bring the unit out of sleep and ready for transmitting an announcement. Channels one and five may be used as priority channels, muting all other channels when pins 4 and 5 are shorted using a switch closure.
#DIGITECH 2120 TROUBLESHOOTING FULL#
Adjusting in the counter-clockwise direction will reduce that level, while the full clockwise setting will disable the VOX function. The audio input level required to activate ducking is set using the trim pot on the rear panel. Voice activated ducking is available on input channel 1 and channel 5.Phantom power (27 V) can be applied to all mic inputs by turning on Phantom Power within the dip switches.The Hi-Z switch will switch in the built-in output transformer allowing the unit to drive 70V or 100V speaker systems directly when connected to the appropriate output terminals.Independent Bass and Treble controls for each output channel.8 inputs with 2 outputs of 120W of power.Also, with two auxiliary outputs, you may connect to an additional amplifier, though the master volume and tone controls will have no bearing on the resulting signal.
#DIGITECH 2120 TROUBLESHOOTING SERIES#
This Commercial Series mixer/amplifier boasts such features as voice activating ducking (useful for paging over background music), priority muting for channels one and five, and a sleep mode which automatically powers down the unit when no audible signal has been received for longer than 30 minutes. The unit is also equipped with two RJ45 connectors for use with JBL CSR-V in-wall volume controls (available separately). On its back panel you'll find euroblock connections for mic/line inputs, as well as unbalanced RCA inputs, speaker connections, dip switches for input routing, and more. The amplifier, capable of driving both eight and four Ohm loads, can be used with 70V and 100V distributed audio systems without the need for a separate transformer. The volume controls are illuminated so they can be seen and operated in darkened environments. The unit's front panel sports volume controls for each channel, as well as two master volume adjustment knobs, two sets of bass and treble controls, and a power switch. It's capable of reaching 120W of peak power with 15W per channel. Product description Designed for commercial and industrial use, the CSMA 2120 Commercial Series Mixer/Amplifier from JBL is a mixer/amplifier with eight mixer-channel inputs and two output channels.
#DIGITECH 2120 TROUBLESHOOTING HOW TO#
Download an official JBL user manual in which you will find instructions on how to install, use, maintain and service your product.Īnd do not forget – unsuitable use of a JBL product will considerably shorten its lifespan! Health and property during use, as well as recognition of liability on the part of the manufacturerįor possible defects should you make a warranty claim. User manual is an integral part of any JBL product,Īnd if it is sold or transferred, they should be handed over jointly with the product.įollowing the instructions for use is an essential prerequisite for protecting That need to be followed during installation and operation.īefore starting your appliance, the user manual should be read through carefully.įollow all the safety instructions and warnings, and be guided by the given recommendations. User manual for the JBL CSMA 2120 Commercial Series Mixer contain basic instructions
#DIGITECH 2120 TROUBLESHOOTING PDF#
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#DIGITECH 2120 TROUBLESHOOTING MANUALS#
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