2
ALTAiR
EQ-215/230 GRAPHIC ECUALISERS
CONTENTS
1. INTRODUCTION 3
2. SWITCHES, CONTROLS, ADJUSTMENTS AND CONNECTORS 4
EQ-215 FRONT PANEL 4
EQ-230 FRONT PANEL 4
EQ-215 REAR PANEL 5
EQ-230 REAR PANEL 5
3. WORKING PRECAUTIONS 6
4. INSTALLATION 6
UNPACKING 6
MOUNTING 6
CHANGING THE VOLTAGE 6
CHANGING THE FUSE 7
CONNECTION TO THE MAINS 8
INPUT CONNECTION 8
UNBALANCED INPUT 8
BALANCED INPUT 9
OUTPUT CONNECTION 10
UNBALANCED OUTPUT 10
BALANCED OUTPUT 11
GROUND LINK 11
5. OPERATION 11
TURN ON DELAY CIRCUIT 12
LEVEL CONTROL 12
SIGNAL AND OVERLOAD INDICATOR 12
HIGH PASS FILTER CONTROL 13
BYPASS SWITCH 13
RANGE SWITCH 13
PARAMETRIC FILTER (ONLY EQ-230) 13
GAIN CONTROL: 13
FREQUENCY SWITCH x10: 14
FREQUENCY CONTROL: 14
BANDWIDTH (Q) CONTROL: 14
ON/OFF SWITCH: 14
FADERS 14
FADER STATUS SWITCH 14
LEDs ON: 16
SCAN (ONLY EQ-230): 16
LEDs OFF: 16
6. SOUND SYSTEM EQUALISA TION 16
7. BLOCK DIAGRAM AND HOW IT WORKS 17
8. TECHNICAL SPECIFICA TIONS 19
9. GRAPHS 20
10. WARRANTY 21
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