Apex Digital Leto User manual

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Leto
User manual

APEX NV
Schoebroekstraat 62
3583 Beringen (Paal)
BELGIUM
Tel: + 32 (0)11 28 61 91
Fax: + 32 (0)11 25 56 38
e-mail: [email protected]
website: www.apex-audio.eu
Trademarks
The APEX trademark is owned by APEX N.V. All other brand, product and company names and any other registered names or trade marks
mentioned in this manual belong to their respective owners.
Disclaimer
APEX N.V. has taken all possible steps to ensure that the information given here is both correct and complete. In no event can APEX accept any
liability or responsibility for any loss or damage to the owner of the equipment, any third party, or any equipment which may result from use of
this manual or the equipment which it describes.
The information provided in this document may be modied at any time without prior warning. Specications and appearance may differ from
those listed and illustrated. Any complaint against APEX N.V. shall be governed by the laws of Belgium.

Leto Sound level deported display
January 2013
Serial number of this product:
© 2000-2013 APEX N.V. All rights reserved.
This manual may not be reproduced or transmitted, either in part
or as a whole, by any means, be they mechanical or electronic,
without the express written permission of APEX N.V.

4
Dear customer,
Thank you for buying the Apex Leto. The Apex Leto is part of the Apex SL-series: sound level limiters and controllers
for pubs, discos, theatres,...
The Apex Leto large remote display is intended to increase the public’s and performer’s awareness of sound levels.
Product highlights
• Fully remote controlled from the Hera
• 100mm high digits
• 19-inch rack-mount device
Foreword
Leto must be connected to the Apex Hera and will constantly
display the instantaneous (LAslow or LCslow) or equivalent
continuous (LAeq or LCeq) sound level over a selectable
period of time. Leto is controlled via the Hera front panel.
Housed in standard 19-inch enclosure, installing Leto in a rack
or into furniture is fairly easy.
Inspection and unpacking
This appliance has been carefully packed in the factory and the
packaging was designed to withstand rough handling. Should
the unit appear to have been damaged in transit, do not discard
any of the packing material and notify the carrier immediately
as they will be responsible.
Save all the packing materials for future use if you ever need to
ship the unit again.
Please check the list below against the contents of the
packaging. If any items are missing or damaged, contact the
Apex dealer or distributor where you purchased the unit.
Content:
• Leto unit
• a mains to 12Vdc adapter
• a short data cable with 6P6C modular connectors
• this manual
Operating environment
This appliance is designed to operate in most normal climates,
at a temperature between 0°C and 50°C (32 - 122 °F), with
relative humidity between 10% and 60%.
Power requirements
This product is intended to operate at a low DC voltage of 12V.
The external mains adapter provided with this product works
from an AC supply between 100V and 240V, at a frequency of
50 or 60Hz. No AC voltage selector is provided as the adapter
automatically adjusts to the incoming AC voltage. Carefully
check that the adapter can accommodate the mains voltage
and frequency available BEFORE you connect it to the mains.
Installation
If the unit is brought into a warm room from a cold environment,
internal condensation may occur. Ensure that the unit has been
allowed to reach ambient temperature before switching it on.
If the unit is installed in a ght-case or in an equipment rack, x
the unit with all four screws through the front panel holes.
Introduction

5
Side panel
6P6C connection
3
4
2
1
2
1
3
4
Description and connection
Side panel description
DC power inlet
connect to the power adapter delivered with the Leto. The
adapter must supply 12Vdc, positive at centre pin.
6P6C socket
connect to the Apex Hera. Make sure you use the correct
type of cable or an extender kit. See next chapter for more
information.
Connection LED)
Indicates that the Leto is connected to the Hera.
Power LED
Connecting to the Apex Hera
Communication between the Apex Hera and the Apex Leto is
done with an I²C bus. This bus is highly sensible to electro-
magnetic perturbation. We recommend you to carefully read
the following instructions to avoid any troubles.
Leto can be connected to Hera using the provided data cable.
The length cable is limited to just a few meters. If longer
distances between Leto and Hera are required, then the
optional Leto Extender kit can be purchased.
To warrant a good function of the Leto as well as the Hera, only
use high quality low capacitance data transmission cables. We
would like to advise you to not use standard telephonic
extenders.
Connectors on both Hera and Leto are six-position six-contact
(6P6C) modular jack connectors. The pin-out is identical on
both devices
Connector pin-out:
Pin Signal
1 + 12 Vdc
2 + 12 Vdc
3 SDA (Data)
4 SCL (Clock)
5 GND
6 GND

6
Connecting Leto and Extenders
Using the Extender kit enables cable lengths up to 200m to
be used. The kit consists of one transmitter and one receiver
unit and standard RJ-45 FTP network cable should be used to
connect the two together (cable not supplied). Be aware that
this signal does not conform in any way to Ethernet standards !
A maximum of two Leto displays may be slaved to the Hera by
daisy-chaining two receiver units together.
Meaning of the messages on the display
HErA Leto is not connected to the Hera, or the Hera is not
powered on.
Err Leto is connected to the Hera but the communication
failed.This can be caused by improper cable or
connection.

7
Limited warranty
Limited warranty
Apex N.V. (“Apex”) garandeert u, de oorspronkelijke aankoper, of elke partij die het toestel bij u aankoopt,
dat zijn producten vrij zijn van gebreken in materiaal en vakmanschap onder normaal gebruik over een
periode van (2) twee jaar vanaf de aankoopdatum. De aankoopdatum is de datum die vermeld staat op
het eerste factuur of elk ander bewijs van aankoop geleverd door een erkende Apex verdeler.
Apex N.V. (“Apex”) warrants you, the original purchaser, or any party that purchases the device from you,
that its products are free from defects in material and workmanship under normal use for a period of two
(2) years from the date of original purchase. The date of purchase is the date which appears on the rst
invoice or any other proof of purchase provided by an Apex approved dealer.
Subject to the conditions and limitations set forth below, Apex will, at its discretion, either repair or replace
any part of its products that prove to be defective, provided that the product is returned with proof of
purchase, shipping prepaid, to an authorised Apex approved service facility.
Warranty cover of any repairs will only extend to the end of the original warranty period.
We will be happy to provide you with a list of authorised dealers to whom you can return the defective unit
or who will give you a returns note to enable you to send the unit to the factory.
Service turn-around time will be as fast as reasonably possible. If you are not satised with the repair,
contact Apex.
Exclusions and limitations
This limited warranty covers only repair or replacement for defective products manufactured by Apex.
Apex is not liable for, and does not cover under warranty, any loss of data or any costs associated with
determining the source of system problems or removing, servicing or installing Apex products. This
warranty excludes 3rd party software, connected equipment or stored data. Apex does not warrant
that the operation of the product will be uninterrupted or error-free. In the event of a claim, Apex’s sole
obligation shall be replacement of the hardware.
This limited warranty does not cover:
(1) any damage to this product that results from improper installation, accident, abuse,
misuse, natural disaster, insufcient or excessive electrical supply, abnormal mechanical or
environmental conditions or other external causes;
(2) any damage caused by operating the product outside the permitted or intended uses described
by Apex;
(3) any damage caused by any unauthorized disassembly, repair, or modication;
(4) consumable parts, such as batteries;
(5) any cosmetic damage.
Apex is not liable for consequential damages.
This limited warranty also does not apply to any product on which the original identication information
(including serial number) has been altered, obliterated or removed or any product that has not been
handled or packaged correctly.
Warranty services will be furnished only if the product is accompanied by a copy of the original retail
dealer’s invoice.
Warranty claims other than those indicated above are expressly excluded

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Copyright
© 2013 APEX N.V. All rights reserved. This manual may not be reproduced or transmitted, either in part or as a whole, by any
means, be they mechanical or electronic, without the express written permission of APEX N.V.
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