4.1 FRONT PANEL
1.
I
2.
3.
4.
=
=
.
TONE CONTROL
ndividual Bass and Treble controls are used
to cut(decrease) or boost(increase) the lower
and Higher frequ12dB.
CHANNEL VOLUME
Controls the individual volume levels of Cha-
nnels.
CHIME INDICATOR AND SIREN/NDICATOR
SELECT KEY
CHIME
When the key out, select chime state, chime
indicator LED on, activate chime signal and
selection zone output.
SIREN
When key in, the siren is acticated, all the
zone will be open and siren signal output.
5 CHIME AND SIREN VOLUME
6.
INTERNAL CHIME ACTIVE
7. MASTER VOLUME
This rotary switch controls the overall output
volume of the amplifiers output signal.
8. CHIME ACTIVE INDICATOR
9. DC INDICATOR
24V DC supply power the indicator on
10.POWER SWITCH
Pressing this switch turns the unit on, as ind-
icated by the Power LED above the switch.
Pressing it again turns the unit off.
2
12
5
MIN
MAX
MASTER VOLUME
MIC4
LINE2
LINE1
MIC LEVEL
TREBLE
TREBLE
BASS
BASS
TREBLE
TREBLE
TREBLE
BASS
BASS
VOLUME
CHIME SIREN
CHIME
SIREN
DC
ZONE1
ZONE2
ZONE3
ZONE4
ZONE5
ALL CALL
2
4
8
0
CLIP
PROT
ON
OFF
AC
TREBLE
BASS
BASS
-10
+10
-10
+10
-10
+10
-10
+10
-10
+10
-10
+10
-10
+10
-10
+10
-10
+10
-10
+10
-10
+10
MIC1
MIC2
MIC3
MIN
MAX
MIN
MAX
MIN
MAX
MIN
MAX
MIN
MAX
MIN
MAX
MIN
MAX
LINE LEVEL
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
4
5
6
0
-10
+10
0
0
0
0
0
0
0
0
0
0
0
CHIME
ACTIVE
1
3 4
6
7
8
9
11
10
13
14
15
16
17
18
19
12.
11.AC INDICATOR
~220-240V AC supply power the indicator on
SPEAKER SELECTOR
These switches are used to select output to
any combination of up to five individual
speakers.
MIN
2
12.5V
6V
OUTPUT
VOLTAGE
120W
240W
350W
6V
6V
12.5V
12.5V
3
4
5
70V
50V
22V
32V
38V
50V
50V
70V
70V
MAX
100V
100V
100V
13.(
ZONE1~ZONE5)ZONE SELECTION BUTTON
14.(ZONE1~ZONE5)ZONE SELECTION INDICATOR
15.
ALL CALL INDICATOR
16.ALL CALL CONTROL
17.CLUP INDICATOR LED
18.OUTPUT LEVEL INDICATOR LED
19.PROTECT INDICATOR LED
6
4. NOMENCLATURE AND FUNCTIONS
Summary of Contents for AMPLIFIER
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