TRUE PRECISION 8i - Manuals

Page 2 - SAFETY and OPERATING PRECAUTIONS; Important Information:; TRUE Systems

2 SAFETY and OPERATING PRECAUTIONS Important Information: This symbol indicates the presence of dangerous voltage within the product enclosure that presents the risk of electric shock injury. When this symbol appears next to an operation discussed in this manual, only qualified technical personnel s...

Page 3 - Sunrise Engineering and Design Inc. hereby declares the; PRECISION 8i; Owner’; for technical support or repairs. Please return

3 CERTIFICATIONS Declaration of Conformity – CE Sunrise Engineering and Design Inc. hereby declares the TRUE Systems PRECISION 8i 8-channel microphone preamplifier to be in material conformity with the following directives and related standards:  73/23/EEC – Low Voltage Directive  89/336/EEC – E...

Page 4 - CONTENTS; AC Mains Connection

PRECISION 8i OPERATION MANUAL 4 CONTENTS SAFETY and OPERATING PRECAUTIONS 2 CERTIFICATIONS 3 Owner’ s Record 3 Table of Contents 4 INTRODUCTION 5 PRODUCT OVERVIEW 5 UP-AND-RUNNING IN A HURRY 6 INSTALLATION 7 Unpacking and Inspection 7 Mounting 8 Ventilation 8 OPERATION 8 Connections 8 AC Mains Conne...

Page 5 - INTRODUCTION; OVERVIEW; TRUE; PRECISION 8i; PRECISION 8i

PRECISION 8i OPERATION MANUAL 5 INTRODUCTION The PRECISION 8i is designed to provide the detailed, transparent sonic performance necessary for the most critical direct tracking and live sound applications. It includes a unique combination of functions that make it useful as a complete input system f...

Page 6 - MID

PRECISION 8i OPERATION MANUAL 6 UP-AND-RUNNING IN A HURRY 1. Read the “ Safety and Operating Precautions ”on page 2 of this manual. 2. Check the voltage selector on the International Power Supply Module (PSU-P8i) to make sure it is set for the appropriate AC mains voltage in your area. 3. After maki...

Page 7 - INSTALLATION

PRECISION 8i OPERATION MANUAL 7 About the Level and Peak-Hold Indicators: 1. SIG indicates that a signal is present on the channel. It illuminates when the signal level exceeds -24dBu. 2. +4 illuminates when the output signal reaches normal operating level of +4 dBu. 3. OL illuminates when the signa...

Page 8 - Mounting; The; Ventilation; OPERATION; Connections; and

PRECISION 8i OPERATION MANUAL 8 Mounting The PRECISION 8i is designed for conventional rack mounting, or stand-alone mounting by use of the adhesive rubber feet supplied. Avoid locating the unit next to equipment that emits strong electromagnetic fields. If the unit is to be permanently mounted in a...

Page 9 - TRUE Systems

PRECISION 8i OPERATION MANUAL 9 To change the AC operating voltage selection: This procedure should be performed only by qualified technical personnel. If you are not qualified, please consult TRUE Systems or your dealer for assistance. 240 1 2 1) Using an appropriate AC voltmeter, measure the AC li...

Page 10 - LINK; must

PRECISION 8i OPERATION MANUAL 10 must be of the same type. AC mains power cord must be removed to gain access to Fuse Drawer 1 for fuse replacement. BALANCED OUT 1 2 3 4 5 6 7 8 1-8 (4-40) 3 4 LINK CONNECT ONLY PSU-P8i DO NOT DISCONNECT WITH AC POWER ON S/N Sunrise Engineering and Design Inc. TRUE S...

Page 11 - OPERATION MANUAL; TURN OFF

PRECISION 8i OPERATION MANUAL 11 MIC 1 MIC 2 MIC 3 MIC 4 MIC 5 MIC 6 MIC 7 MIC 8 Direct In 1 Direct In 2 MS PIN 2 +PIN 3 - 5 6 Microphone Connection: Microphone connection is made to standard XLR receptacles on the rear panel. The wiring configuration used for the microphone connectors on the PRECIS...

Page 14 - PEAK REFERENCE

PRECISION 8i OPERATION MANUAL 14 9 PEAK REFERENCE selector. This sets the level at which the Peak-Hold indicators 4 activate. It also changes the operating level indication 6 to -10 dBV operation when the -10 dBV position is selected. 10 Peak-Hold reset. RESET clears the peak-hold indicators on all ...

Page 16 - DESIGN APPROACH; SPECIFICATIONS

PRECISION 8i OPERATION MANUAL 16 DESIGN APPROACH PRECISION 8i features a high-voltage composite architecture with discrete devices plus integrated circuits. The totally balanced, dual servo, dc-coupled design provides exceptional transient response, headroom, imaging and noise performance. Critical ...

Page 17 - TROUBLESHOOTING

PRECISION 8i OPERATION MANUAL 17 TROUBLESHOOTING T Symptom No signal output. Main power switch is on, but no LED’ s are illuminated. Solution  Check AC power source and cord.  Check fuses (pull fuse drawer next to power cord inlet) No signal output. Main power switch is on and green power LED is...

Page 18 - reversed; REGISTRATION and WARRANTY

PRECISION 8i OPERATION MANUAL 18 Channel 1 signal can be heard in Channel 2 output - and vice versa.  Check status of M-S selector. It should be “out” for individual channel mode and “in” for Mid-Side mode. Channel 2 seems to have no output when used with Channel 1 as a stereo pair  Check status...

Page 19 - SERVICE INFORMATION; TRUE systems; prepaid

PRECISION 8i OPERATION MANUAL 19 repaired or replaced at the manufacturer’ s option, free of charge. Supplementary shipping charges will apply to units returned to addresses outside the continental USA. All units returned to SUNRISE or authorized TRUE systems repair facility must be prepaid , insure...