GST APS-120W User manual

APS-120W Amplifier Station
User Guide
（Ver1.1，2008.11)

APS-120W
Amplifier Station The Intelligent Solution
Page II
CONTENTS
1GENERAL.....................................................................................................................3
2TECHNICAL SPECIFICATIONS....................................................................................3
3PANEL INSTRUCTION..................................................................................................4
4FUNCTIONS AND OPERATION....................................................................................7
5CAUTIONS.......................................................................................错误！未定义书签。
6TROUBLESHOOTING......................................................................错误！未定义书签。
7ATTACHMENT LIST.........................................................................错误！未定义书签。
This document is subject to change without notice. Please contact
GST for more information or questions.

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Amplifier Station The Intelligent Solution
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1 General
To meet the requirement of Voice Alarm (VA) system, GST designed the APS-120W
Amplifier Station, which can be integrated into GST Intelligent Fire Alarm System. The
system is designed in accordance with BS5839-8 and BS EN 60849:1998. With the
built-in pre-recorded messages and microphone, it can suit most of small and medium
projects. Together with GST intelligent fire alarm control panel, the messages can be
played automatically into pre-defined destinations in case of fire condition. It is an
indispensable device in fire protection system. The panel has features as below:
Easy wall mount installation
220VAC power supply
Self-contains backup battery with charger
4 minute pre-record messages, Alert and Evac
Emergency microphone
Speaker line monitored
Internal function monitored on message, microphone and trigger input.
2 Technical Specifications
Operation Voltage
220VAC±10%
Backup Battery
24VDC, 17AH
MIC Input
775mV
Output Voltage
100V (Optional 75V)
Frequency Range
80 ~ 8kHz (80V ~ 120V)
Distortion
<5%
End of Line Resistor
30kΩ, 1/2W
Environment Temperature
0~40°C
Relative Humidity
20%~95%
Dimension
560mm ×400mm ×178mm

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Amplifier Station The Intelligent Solution
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3 Panel Instruction
3.1 Appearance and Structure
The amplifier station is wall mount type. The appearance is shown in Fig.3-1
Fig.3-1

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Amplifier Station The Intelligent Solution
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3.2 The front surface
Fig. 3-2
Indicators and Functions
1) Power ON: Lit anytime when amplifier powered
2) General Fault: Lit when any fault occurs to the amplifier
3) AC Fault: Lit when AC power failure
4) Battery Fault: Light when backup battery low voltage or disconnected
5) Speaker Fault: Open Circuit (OC) or Short Circuit (SC) occurs on the speaker line
output
6) MIC Fault: Microphone disconnected or with fault
7) Message Fault: The message storage and play circuit failure
8) Trigger Fault: The cable of trigger in terminal is broken or not connected
9) Lock: Door Lock
10) Trigger: Lit when received trigger signal from fire alarm system. The
pre-record messages will be played to the speaker line
automatically.
11) Message Playing: Lit when message(s) is playing.
12) MIC CALL: Lit when the Push-To-Talk button on the emergency microphone

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Amplifier Station The Intelligent Solution
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is pressed.
13) MUTE: Lit when panel sound notification is muted
14) Mute Key: The panel will give sound notification when fault occurs or
triggered. Press the MUTE key to stop the sound. The notification will resume
when new condition comes.
15) Emergency Microphone: The emergency microphone is stored behind the glass
door. The microphone can be reached by pulling down the glass.
3.3 The terminals
Fig. 3-3
1) AC Switch: Main Power Switch
2) AC IN: Mains in (from filter)
3) Battery: Backup battery, 24VDC
4) Load: Amplifier output connecting speakers or modules. 30k end of line
resistor is required for cable monitoring.
5) Trigger_Out:N/O contact.Activated when amplifier triggered
6) Fault_Out: N/C contact. Activated when fault occurs
7) Alert Trigger: Start Alert message
8) Evac Trigger: Start Evac message

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Amplifier Station The Intelligent Solution
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9) G-Stop: Manually stop the operation of the amplifier
10) MIC Volume: Adjust microphone volume
11) Message Volume: Adjust message(s) playing volume
12) Monitor Volume: Adjust volume of the internal monitor speaker
13) Audio Input:Connecting with audio playing application like computer or MP3,
for messages recording
14) Record Button: Record messages and Chime tone. Operation mentioned in 4.2.1.
15) Play Button: Press to play the message manually to check the message
recording
16) Stop Button: Stop the message recording or playing
17) Message Select:Choose the Alert, Evac message or Chime to be recorded or play
18) 100V/75V Switch:Select output voltage according to the speakers.
4 Functions and Operation
4.1 Functions
The amplifier keeps in power saving standby mode in normal status. When trigger input
activated, it will startup immediately and play the pre-record message(s) to the speaker
line. In co-operating with fire alarm system, the Voice Evacuation can be achieved.
The system is fully monitored in standby mode. Any type of fault including power fault,
trigger fault, microphone fault, message fault and speaker line fault will be indicated by
LED and sound notification.
Emergency microphone is combined. When microphone calling out, the message
playing volume will be forced down to make the announcement clear.
Local monitor speaker provided.
Self contains backup battery and battery charger. Battery is properly protected for low
voltage and over-charging. Charging time is 48 hours, and work for 48 hours in standby
mode. In battery operation status, the amplifier will stop work if battery voltage is lower
than 19V.
Automatic broadcast voice before microphone voice.
4.2 Operation：
4.2.1 Message Recording
4 minutes total, divided into 3 parts, the fires is about 1 minute and 55 seconds of
pre-alarm message, the second is also about 1 minute and 55 seconds of fire alarm
message, and the third is 7 seconds of microphone pre message. The message can be
recorded locally. The sound source can be computer or other media player like MP3.
4.2.2 Instruction of Recording

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Amplifier Station The Intelligent Solution
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1) File in computer or MP3 can be used. Connect the player to the Audio In port by the
provided audio cable. (Attention! The device should not be in pre or alarm state
while recording or broadcasting. Recording Operation could not be affected by any
fault except Message Fault) Hold the recording key, the indicate lit, means remove
the formal message. Put off it ,and then press the key, it start to record now. You can
refer to the fig. below
Choice of Recording
DIP4
DIP3
DIP2
DIP1
Pre-Alarm
OFF
OFF
OFF
OFF
Fire Alarm
OFF
OFF
OFF
ON
Pre-voice
OFF
OFF
ON
OFF
Remove all
ON
X
X
X
4.2.2.1 The Recording of Pre-Alarm(the first part):
Choose prepared pre alarm file in computer, and all DIP is OFF, Press and hold the
“RECORD” key for 5s, when red LED starts flashing, it goes into preparing status, put off
it, play the file until the voice can be heard. Stop file and start it again, start the player at
the same time, the audio will be recorded into the amplifier. Normally the player volume
should be adjusted to max. Stop the record anytime by press STOP button
4.2.2.2 Replay of the Pre Message：
Verify the message by playing back. If not satisfied, repeat the steps 4.2.2.1、4.2.2.2.
4.2.2.3 Fire Message Recording(the second part)：
Choose prepared fire file in computer, and all DIP is OFF except DIP1, Press and hold
the “RECORD” key for 5s, when red LED starts flashing, it goes into preparing status, put
off it, play the file until the voice can be heard. Stop file and start it again, start the player
at the same time, the audio will be recorded into the amplifier. Normally the player
volume should be adjusted to max. Stop the record anytime by press STOP button.
4.2.2.4 Replay of Fire Message：Verify the message by playing back. If not satisfied, repeat
the steps 4.2.2.3、4.2.2.4.
4.2.2.5 Pre mic. Voice Recording (the third part):
Choose prepared mic. voice file in computer, and all DIP is OFF except DIP2, Press and
hold the “RECORD” key for 5s, when red LED starts flashing, it goes into preparing
status, put off it, play the file until the voice can be heard. Stop file and start it again, start
the player at the same time, the audio will be recorded into the amplifier. Normally the
player volume should be adjusted to max. Stop the record anytime by press STOP
button.
4.2.2.6 Replay of mic. Message：Verify the message by playing back. If not satisfied, repeat
the steps 4.2.2.5、4.2.2.6.
4.2.2.7 Remove All：
When DIP4 is ON for about 5 seconds , all message is gone.

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Amplifier Station The Intelligent Solution
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4.2.3 Pre Alarm Broadcast
After receive the pre alarm signal from panel, the device will broadcast pre alarm voice
automaticly. Volume can be adjust by “Message Volume” key , and fan is started, and it will
stop delay. The broadcast can be stop by G=STOP.
4.2.4 Pre Alarm Monitor：
The Pre Alarm message can be monitored when there no any trigger signal from panel. After
record message, All DIP is made off. Message can be monitored. The PLAY, STOP and
Monitor Volume key can be used.
4.2.3 Fire Alarm Broadcast:
After receive the fire alarm signal from panel(ignore the pre alarm signal), the device will
broadcast fire alarm voice automatic. Volume can be adjust by “Message Volume” key , and
fan is started, and it will stop delay. The broadcast can be stop by G=STOP.
4.2.4 Fire Alarm Monitor：
The fire Alarm message can be monitored when there no any trigger signal from panel. After
record message, All DIP is made off except DIP1 is on. Message can be monitored. The
PLAY, STOP and Monitor Volume key can be used.
4.2.5 Microphone
Start the device, take out mike, press the key, any state can be change into mike state.
Broadcast Pre voice if have recorded. Then the mike can work.. And the mike have the
priority. It can not be back to the formal state until the mike state stop.
5. Attention
5.1 Connection：
5.1.1 Trigger signal
The trigger signal is from FACP. The end of line resistor (33K 1/8W) is for monitoring of
open circuit. Minimum 2-core 1.0mm2fire cable is required.

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Amplifier Station The Intelligent Solution
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5.1.2 Output:
The 30kΩ 1/2W resistor is requested for cable monitoring. Or else it won’t show output
fault.
5.2 Store：Store in dry and stable place.
5.3 Transport：Avoid hitting.
5.4 Operation：Under strict test, must follow the manual。
5.5 Attention：AC220V，be far away form the device except
specialist avoiding being hurt.

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Amplifier Station The Intelligent Solution
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6. Maintenance
6.1 Maintenance：
Operator should operate the device after read the manual carefully ,and strictly follow the
manual in order to make it work well. Maintenance should be put in act by specialist on
time. Inner connection should not be move until contact our company.
6.2 Toubleshooting：
No.
Fault
Reason
Solution
1
Power indicator
not lit
Power connection
Check power cable
Fuse break up
Replace fuse
2
No monitor voice
Volume lower
Turn up
Speaker broken
Replace new speaker
Speak mode
In microphone mode, no monitor voice
3
No voice output
connection
Check cable
Output speaker
Check out speaker
Output calbe
Check if short or break
7. Attachment List
7.1 Attachment A: Two 2A fuses, two 3A fuses, a cable, a black mic.two keys.
7.2 Attachment B: a manual。

GST warrants that the product will be free from defects in design, materials
and workmanship during the warranty period. This warranty shall not apply to
any product that is found to have been improperly installed or used in any way
not in accordance with the instructions supplied with the product. Anybody,
including the agents, distributors or employees, is not in the position to amend
the contents of this warranty. Please contact your local distributor for products
not covered by this warranty.
GST China
Gulf Security Technology Co., Ltd.
No. 80, Changjiang East Road, QETDZ, Qinhuangdao, Hebei,
P. R. China 066004
Tel: [phone]
Fax: [phone]
Email: [e-mail]
www.gst.com.cn
GST UK
Global System Technology PLC
Lion Court, Staunton Harold Hall,
Melbourne Road, Ashby de la Zouch,
Leicestershire,
England LE65 1RT
Tel: [phone]
Fax: [phone]
Email: inf[email protected]k.com
www.gst.uk.com
GST Dubai
Global System Technology PLC
PO Box 17998 Unit ZA04 JEBELALI Free Zone,
Dubai, UAE
Tel: [phone]
Fax: [phone]
Email: inf[email protected]k.com
www.gst.uk.com