Glensound SD1+ User manual
SD1+
Audio Silence Detector
User Guide
Glensound
6 Brooks Place, Maidstone
Kent, UK, ME14 1HE
Tel: +44 (0)1622 53662
www.glensound.co.uk
Page 2 of 22
Glensound Electronics Ltd
Thank you for choosing a new Glensound product.
All rights reserved.
Information contained in this manual is subject to change without notice, if in
doubt please contact us for the latest product information.
If you need any help with the product then we can be contacted at:
Glensound lectronics Ltd
1 – 6 Brooks Place
Maidstone
Kent
M 14 1H
United Kingdom
Telephone: +44 (0) 1622 753662
Fax: +44 (0) 1622 762330
MAIL ADDR SS S
General enquires: office@glensound.co.uk
Technical enquires: techinfo@glensound.co.uk
Sales enquires: sales@glensound.co.uk
Page 3 of 22
IMPORTANT SAFETY INSTRUCTIONS
1) Read these instructions
2) Keep these instructions
3) Heed all warnings
4) Follow all instructions
5) Do not use this apparatus near water
6) Clean only with a dry cloth
7) Do not block any ventilation openings. Install in accordance with manufacturer s
instructions
8) Do not install near any heat sources such as radiators, heat registers, stoves, or other
apparatus (including amplifiers) that produce heat
9) Do not defeat the safety purpose of the polarized or grounding type plug. A polarized plug
has 2 blades with one wider than the other. A grounding type plug has 2 blades and third
grounding prong. The wider blade or the 3
rd
prong are provided for your safety. If the
provided plug does not fit into your outlet, consult an electrician for replacement of the
obsolete outlet
10) Protect the power cord from being walked on or pinched, particularly at plugs,
convenience receptacles and the point where they exit from the apparatus
11) Only use attachments/ accessories specified/ supplied by the manufacturer
12) Use only with the cart, stand, tripod, bracket, or table specified by the
manufacturer, or sold with the apparatus. When a cart is used, use caution when moving
the cart/ apparatus combination to avoid injury from tip over
13) Unplug tis apparatus during lightning storms or when unused for long periods of time
14) Refer all servicing to qualified service personnel. Servicing is required when the apparatus
has been damaged in any way, such as power supply cord or plug is damaged, liquid has
been spilled or objects have fallen into the apparatus, the apparatus has been exposed to
rain or moisture, does not operate normally, or has been dropped
15) Do not attempt to modify this product. Doing so could result in personal injury and/ or
product failure
This symbol is intended to warn that
dangerous voltages within the product are
present and constitute a risk of electric
shock.
This symbol is intended to highlight that
there are important operating &
maintenance instructions in the literature
accompanying this unit.
Page 4 of 22
IMPORTANT: MAINS PLUG WIRING INSTRUCTIONS
This Signature unit is supplied with a moulded mains plug fitted to the AC mains
lead.
Mains wiring colours/ connections:
The reen/ Yellow or reen wire must be connected to the terminal in the plug
marked ‘E’ or with the Earth Symbol.
The Blue or Black wire must be connected to the terminal in the plug marked ‘N’
(Neutral).
The Red or Brown wire must be connected to the terminal in the plug marked ‘L’
(Live).
THIS UNIT MUST BE EARTHED
THIS UNIT IS FITTED WITH AN INTERNAL MAINS FUSE.
The fuse is located internally between the Live terminal of the IEC plug and the
Live input of the power supply. The fuse should only be changed by a qualified
service engineer. If replacing the fuse care should be taken to fit a correctly rated
replacement. The fuse rating can be found in the technical specifications page of
this handbook.
Page 5 of 22
CE
This equipment manufactured by Glensound lectronics Ltd of Brooks Place
Maidstone Kent M 14 1H is
CE
marked and conforms to:
Low Voltage Directive: N60065
missions: N55103.1
Immunity: N55103.2
WASTE ELECTRICAL AND ELECTRONIC EQUIPMENT
REGULATIONS 2006 (WEEE)
Glensound lectronics Ltd is registered for business to business sales of W in
the UK our registration number is:
W /JJ0074UR
RoHS2 DIRECTIVE
C directive 2011/65/ U restricts the use of the hazardous substances listed below
in electrical and electronic equipment.
This product conforms to the above directive and for this purposes, the maximum
concentration values of the restricted substances by weight in homogenous
materials are:
Lead
0.1%
Mercury
0.1%
Hexavalent Chromium
0.1%
Polybrominated Biphenyls
0.1%
Polybrominated Diphenyl thers
0.1%
Cadmium
0.01%
Page 6 of 22
PRODUCT WARRANTY:
All equipment is fully tested before dispatch and carefully designed to provide you
with trouble free use for many years.
We have a policy of supporting products for as long as possible and guarantee to
be able to support your product for a minimum of 10 years.
For a period of one year after the goods have been despatched the Company will
guarantee the goods against any defect developing after proper use providing
such defects arise solely from faulty materials or workmanship and that the
Customer shall return the goods to the Company’s works or their local dealer.
All non-wear parts are guaranteed for 2 years after despatch and any defect
developing after proper use from faulty materials or workmanship will be repaired
under this warranty providing the Customer returns the goods to the Company's
works or their local dealer.
Page 7 of 22
SD1+ Audi Silence Detector
Handbook Contents
Issue 1,
Description Page No.
Contents
IMPORTANT SAFETY INSTRUCTIONS ........................................................................................................................ 3
PRODUCT WARRANTY: ...................................................................................................................................................... 6
Handbook Contents ............................................................................................................................................................. 7
OVERVIEW .......................................................................................................................................................................... 9
PHYSICAL INSTALLATION ............................................................................................................................................... 1
BLOCK DIAGRAM ............................................................................................................................................................. 12
EXAMPLES OF USE ........................................................................................................................................................... 13
1.
S ereo Radio S a ion Transmi er Si e ............................................................................................................... 13
USER CONTROLS FRONT ................................................................................................................................................. 15
1.
Main Ac ive LEDs ................................................................................................................................................ 15
2.
Aux Ac ive LEDs .................................................................................................................................................. 15
3.
Res ore Push Swi ches ....................................................................................................................................... 15
4.
Force Push Swi ches ........................................................................................................................................... 15
5.
Selec Push Swi ch.............................................................................................................................................. 15
6.
Backli Display ..................................................................................................................................................... 16
7.
Adjus Ro ary Encoder ....................................................................................................................................... 16
USER CONTROLS REAR .................................................................................................................................................... 16
8.
GPIO ‘D’ Connec or ............................................................................................................................................ 16
9.
Aux Inpu 10dB Gain .......................................................................................................................................... 16
SETUP MENU AND OPTIONS ........................................................................................................................................... 17
En ering Se up Menus ................................................................................................................................................. 17
1.
Threshold ............................................................................................................................................................ 17
2.
Fail Delay ............................................................................................................................................................. 17
3.
Recovery Delay ................................................................................................................................................... 17
4.
Au o Recover ...................................................................................................................................................... 17
5.
Link/spli .............................................................................................................................................................. 17
6.
Mono Firs ........................................................................................................................................................... 18
7.
Smar Fail............................................................................................................................................................. 18
8.
Smar Recovery ...................................................................................................................................... 18
Page 8 of 22
9.
S ar GPIO ............................................................................................................................................................ 18
WIRING INFORMATION ................................................................................................................................................... 19
1.
S andard Pin Ou s............................................................................................................................................... 19
2.
Wiring o unbalanced devices ........................................................................................................................... 2
3.
GPIO Wiring ......................................................................................................................................................... 21
TECHNICAL SPECIFICATION ............................................................................................................................................ 22
Page 9 of 22
OVERVIEW
The Signature SD1+ is a silence detector used to s itch audio to a backup source hen the
primary audio source falls belo accepted silence thresholds in level or time. These are often
used on a broadcast path to prevent dead air should a technical problem occur ith the
audio.
The audio connections are stereo, on analogue XLRs. There is an input pair for the primary
source, and an input pair for the backup source. The SD1+ can also be configured as a t in
single channel silence detector. The backup source is usually coming from an audio player
hich can be remotely started by the SD1+ via a GPO should silence be detected.
Each channel can have the configuration parameters set independently. The threshold at
hich the unit detects a lo level is configurable, as is the amount of time that the audio
needs to be under this level before an alarm condition is triggered and the audio is s itched
to the backup input.
A comprehensive set of GPIOs allo for triggering external devices hen the secondary input
has been triggered.
Intelligent modes can be set to allo for s itching back to the primary audio source once a
sustained audio level has returned.
With a stereo audio source, if one channel should fail, the SD1+ can be set to s itch this single
input to both outputs, making a problem unnoticeable to any listeners, hilst at the same
time still providing alarm outputs so the engineers can be alerted.
The SD1+ is po ered from an internal s itch mode mains po er supply fed from a filtered
IEC mains plug suitable for use World ide. It has an internal fuse for safety. The unit can also
alternatively be po ered from an external +/-12V DC po er source (such as the Signature
Series PS1). If both mains and external DC po er sources are present then, if one po er
source ere to fail the unit ould continue to ork seemlessly from the other source.
Page 10 of 22
PHYSICAL INSTALLATION
The Glensound Signature Series have been designed to be highly versatile for installation and
can be installed in 19” racks ith either their front or rear panels facing the front of the rack.
They can also be mounted underneath desks or ork tops and can be either permananetly
mounted or stood (using the supplied feet) on top of desks or orktops.
INSTALLING SIGNATURE SERIES IN A 19” RACK
Firmly hold the signature subrack ithin the 19” rack and locate in 1RU of space. Use the
supplied 6mm rack scre s to securly attach the unit to the rack.
INSTALLING ADHSIVE FEET FOR NON PERMANENT TABLE TOP MOUNTING
Remove the front rack ears (if they are not required), turn the unit upside do n and attach
the supplied 4 sticky feet as per the above dra ing.
Signature
g
Series
Keeps Working
PWR ON
PART No
CE
W
50/60Hz 2.7 Watts
100-240V
+/-12V - - -
PIN 1 = GND
PIN 3 = -12V (100mA)
PIN 2 = +12V (100mA)
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