MYERS AMPLIFIER, Operation Manual

Page: 7 / 14

COM 100V COM 100V COM 100V COM 100V COM 100V
CHIME ACTIVE
REMOTE MIC
VOLUME
DC24V
+24V PHANTOM
ON OFF
+24V PHANTOM
ON OFF
+24V PHANTOM
ON OFF
+24V PHANTOM
ON OFF
TEL
VOLUME
INPUT
LINE 1
OUTPUT
LINE 2 LINE
TEL
EMC
BATT SUPPLY
PRIORITY
COM 4 8
OUTPUT
INPUT
MIC 1 MIC 2 MIC 3 MIC 4
REMOTE
1 2
3
XLR BAL
1-GND
2-HOT+
3-COLD-
GAIN GAIN GAIN GAIN
CHIME
2 TONE 4 TONE
70V 100V
ZONE 1 ZONE 2 ZONE 3 ZONE 4 ZONE 5
32
4.2 REAR PANEL
29 20 21 22 23 24 25 26 27 28
35 38 37 31 33 36 34
20.
21.
DC INPUT TERMINALS
These terminals are provided for the conne-
ction of backup battery.Connect a 24VDC 50A
battery source to these terminals.Make certain
the red terminal is connected to the battery's
positive (+) side,and the black terminal to the
battery's negative (-) side.
INPUT GAIN CONTROLS(TRIM VR)
These knobs provide continuous control of the
input levels for each of the six input channels.
When adjusting the input gain, make certain
that the levels are not set too high, or distortion
will result.
NOTE: It is safe to connect most modern dynamic
microphones or line level devices to the
channel Inputs when phantom power is
activated. However, some older ribbon
microphones may be damaged by phan-
tom power, and certain unbalanced line
level devices maymalfunction or produce
an Audible hum when phantom power is
active.
22.MIC INPUT CHANNEL 1~4
This is a special connector which will accept
either a 3-conductor XLR or a 3-conductor 1/3
jack.These inputs are suitable to receive signal
from microphones level devices.
+24V
+24V
(3)COLD
(2)HOT
(1)GNO
0V
23.
24.
25.
26.
LINE INPUT CHANNEL 1~2
This line-level input is an extra stereo input for a
stereo source such as a tape deck or CD player.
LINE OUTPUT
(Connection for power amplifier or recording equi-
pment)
EMC INPUT
When EM switch is connected and pressed in fire
or other emergencies, EM broadcasting stored in
voice ic is outputted. When selected, these switc-
hes will give priority to over all other signals inputs.
TEL AUDIO INPUT
Remote telephone paging and announcement
27.TEL AUDIO VOLUME
28.CHIME
2 Tone/4 Tone chime switch
29.FANNER
30.CHIME ACTIVE
Automatic or manual activate chime when paging
31.REMOTE MIC VOLUME
32.REMOTE CONTROL INPUT
By connecting a 15-pin D-SUB connector, it is po-
ssible to control speaker zone selection and activ-
ate the chime via wired remote. connection term-
inals for the remote are shown below.
MIC JACK (XLR JACK)
Pin 1:GROUND
Pin 2:HOT(+)
Pin 3:COLD(-)
LINE JACK (TRS PHONE JACK)
Sleeve:GROUND
Tip:HOT(+)
Ring:COLD(-)
GROUND
2.HOT
3.COLD
1.
1
3
2
HOT
COLD
30
GROUND
NOMENCLATURE AND FUNCTIONS
7
REMOTE MIC
GAIN