GR4 User Guide
17
AP10223 Issue_2
7.2
Internal Jumper Settings
Please ensure that unit is switched off before changing any jumper settings
.
Ensure
necessary precautions have been taken prior to removal of cover. If in doubt call an experienced
engineer.
Warning: Do not remove PSU cover. If in doubt call an experienced engineer.
Jumper Function
State when Jumper fitted
State when Jumper not
fitted (Default)
①
MIC 1 High Pass Filter @ 150Hz
Filter Inactive
Filter active
②
MIC 2 High Pass Filter @ 150Hz
Filter Inactive
Filter active
③
MIC 3 High Pass Filter @ 150Hz
Filter Inactive
Filter active
④
MIC 4 High Pass Filter @ 150Hz
Filter Inactive
Filter active
⑤
ST1 L Gain
+10dB
0dB
⑥
ST1 R Gain
+10dB
0dB
⑦
ST2 L Gain
+10dB
0dB
⑧
ST2 R Gain
+10dB
0dB
⑨
ST3 L Gain
+10dB
0dB
⑩
ST3 R Gain
+10dB
0dB
⑪
ST4 L Gain
+10dB
0dB
⑫
ST4 R Gain
+10dB
0dB
⑬
Zone 1 A Gain
-10dB
+4dBu
⑭
Zone 1 B Gain
-10dB
+4dBu
⑮
Zone 2 A Gain
-10dB
+4dBu
⑯
Zone 2 B Gain
-10dB
+4dBu
⑰
Zone 1 Mono
Zone 1 mono output
Zone 1 stereo output
⑱
Zone 2 Mono
Zone 2 mono output
Zone 2 stereo output
⑲
Zone 3 Mix
Multiple Configurations (see matrix p18)
No output
⑳
Zone 4 Mix
Multiple Configurations (see matrix p18)
No output
WARNING - THIS APPARATUS MUST BE EARTHED.
CAUTION - HOT SURFACE, AVOID CONTACT.
NO USER SERVICEABLE PARTS INSIDE
CAUTION
Made in the UK by ALLEN & HEATH
SERIAL No:
A DIVISION OF HARMAN INTERNATIONAL INDUSTRIES Ltd.
T 3.15A 20mm 220 - 240V~
T 5.0A 20mm 100 - 120V~
FUSE TYPE AC SUPPLY
47-63Hz
320VA MAX
300W MAX
AC MAINS IN ~
WARNING - THIS APPARATUS MUST BE EARTHED.
CAUTION - HOT SURFACE, AVOID CONTACT.
CAUTION
Made in the UK by ALLEN & HEATH
SERIAL No:
T 3.15A 20mm 220 - 240V~
T 5.0A 20mm 100 - 120V~
FUSE TYPE AC SUPPLY
47-63Hz
320VA MAX
300W MAX
AC MAINS IN ~
⑤
⑦
⑧
⑥
⑪
⑫
⑨
⑩
⑬
⑰
②
④
③
①
⑭
⑮
⑱
⑯
⑲
⑳
Phantom Power Link