While this information is presented in good faith and believed to be accurate, Honeywell disclaims the implied
warranties of merchantability and fitness for a particular purpose and makes no express warranties except as may
be stated in its written agreement with and for its customers.
In no event is Honeywell liable to anyone for any indirect, special or consequential damages. The information and
specifications in this document are subject to change without notice.
Honeywell, PlantScape, Experion PKS, and TotalPlant are registered trademarks of Honeywell International Inc.
Other brand or product names are trademarks of their respective owners.
Honeywell Process Solutions
1250 W Sam Houston Pkwy S
Houston, TX 77042
ii MC Toolkit (MCT404) User Manual Revision 3
Copyright, Notices and Trademarks
Document Details
MC Toolkit (MCT404) User Manual
Release
Number
Publication Date
34-ST-25-50
New
Revision 1
February 2014
COM4 update
Rev.2
May 14
STT 850 / STT 750 added
Rev.3
June 2016
Document Title
About This Document
Abstract
This document describes how to use MC Toolkit product, which consists of MC Toolkit application software and
FDC application software.
Revision Information
References
The following list identifies all documents that may be sources of reference for material discussed in this
publication.
Revision 3 MC Toolkit (MCT404) User Manual iii
Copyright, Notices and Trademarks
Support and contact info
United States and Canada
Contact: Honeywell Process Solution
Global Technical Support - Phone: 001-800-423-9883
Customer Service (HFS) - Phone: 001-800-343-0228
Outside United States - Phone: 001-215-641-3610
Calls are answered by dispatcher between 6:00 am and 4:00 pm Mountain Standard
Time. Emergency calls outside normal working hours are received by an answering
service and returned within one hour.
Mail: Honeywell Process Solutions
1250 W Sam Houston Pkwy S,
Houston, TX 77042
For other contact details in Europe, Asia, North and South Americas refer to the back page.
World Wide Web
Honeywell Process Solutions Support Online:
www.honeywellprocess.com/
Elsewhere
Call your nearest Honeywell office.
Training Classes
www.honeywellprocess.com/en-US/training
iv MC Toolkit (MCT404) User Manual Revision 3
Copyright, Notices and Trademarks
Symbol
Definition
CAUTION: Indicates a potentially hazardous situation which, if not
avoided, may result in minor or moderate injury. It may also be used
to alert against unsafe practices.
CAUTION symbol on the equipment refers the user to the product
manual for additional information. The symbol appears next to
required information in the manual.
WARNING: Indicates a potentially hazardous situation, which, if not
avoided, could result in serious injury or death.
WARNING symbol on the equipment refers the user to the product
manual for additional information. The symbol appears next to
required information in the manual.
WARNING, Risk of electrical shock: Potential shock hazard where
HAZARDOUS LIVE voltages greater than 30 Vrms, 42.4 Vpeak, or
60 VDC may be accessible.
ESD HAZARD: Danger of an electro-static discharge to which
equipment may be sensitive. Observe precautions for handling
electrostatic sensitive devices.
Protective Earth (PE) terminal: Provided for connection of the
protective earth (green or green/yellow) supply system conductor.
Functional earth terminal: Used for non-safety purposes such as
noise immunity improvement. NOTE: This connection shall be
bonded to Protective Earth at the source of supply in accordance
with national local electrical code requirements.
Earth Ground: Functional earth connection. NOTE: This
connection shall be bonded to Protective Earth at the source of
supply in accordance with national and local electrical code
requirements.
Chassis Ground: Identifies a connection to the chassis or frame of
the equipment shall be bonded to Protective Earth at the source of
supply in accordance with national and local electrical code
requirements.
The Factory Mutual® Approval mark means the equipment has
been rigorously tested and certified to be reliable.
The Ex mark means the equipment complies with the requirements
of the European standards that are harmonised with the 94/9/EC
Directive (ATEX Directive, named after the French "ATmosphere
EXplosible").
Symbol Definitions
The following table lists those symbols used in this document to denote certain conditions.
Revision 3 MC Toolkit (MCT404) User Manual v
Copyright, Notices and Trademarks
Term
Description
DD
Device Description File
DDL
Device Description Language
DE
Digitally Enhanced
Device
The hardware that is responsible for sensing the conditions present in a process and
communicating this information to the Pocket PC. These conditions may include
pressure, temperature. Examples of devices include the ST, STT. Device is also
referred to as a Field Instrument
Download
The process of sending data from a Pocket PC to a Device
EDDL
Electronic Device Description Language
Export
Writing / saving parameters into a file
FDC
Field Device Communicator
FDM
Field Device Manager
HCF
HART Communication Foundation
Import
Reading / loading parameters from a file
MCT
Multi Communication Toolkit (MCT404) product that includes MC Toolkit application
and FDC application
MCT404
Options include ruggedized version with no approvals, Intrinsically-safe version with
Zone1 approvals
Modem
Honeywell HART / DE modem that implements interfaces to the HART and DE
network
Offline
The condition present when the MC Toolkit is running but is not connected to a live
device.
Online
The condition present when the MC Toolkit is running and is connected to a live
device.
Parameter
A piece of information representing a single unit of data in a device or database
PPC
Pocket PC
Record
A Set of Configuration parameters that consists of Device Type, Bus Type, Tag ID,
Manufacturer, LRV, URV, Transfer Function and other Parameters
ST
Smart Transmitter, pressure - a Honeywell Field Instrument.
STT
Smart Temperature Transmitter – a Honeywell Field Instrument
Upload
The process of sending data from a Device to a Pocket PC
XML
Extensible Markup Language. A file type that provides a format for describing
structured data from any application in a standard consistent way
Acronyms and definitions
Table 1 Acronyms and Definitions
vi MC Toolkit (MCT404) User Manual Revision 3
Contents
Contents
Support and contact info.......................................................................................... iv
Figure 8-1 Screen Y ..................................................................................................... 143
Figure 8-2 Screen X ..................................................................................................... 145
Figure 8-3 ActiveSync/Mobile Device Center file transfer ........................................... 147
Figure 8-4 MCT404 Infrared port location ................................................................... 148
Revision 3 MC Toolkit (MCT404) User Manual xi
1. Introduction
1.1 Overview of MC Toolkit
Purpose/Scope
This manual is intended to facilitate the use of the Honeywell MC Toolkit communications tool. It is
assumed that you are skilled in the use and maintenance of process transmitters in process control, or that
you are under direct supervision of others with the appropriate skills.
The MC Toolkit, with MC Toolkit Application Software and FDC Application Software, enables
communication with several types of smart transmitters (pressure, temperature, etc) that are available for
use in the process control industry.
The emphasis of the information in this manual is directed primarily on the features and use of the MC
Toolkit in performing common maintenance tasks relating to transmitter devices, rather than on the
features and installation of specific transmitter devices.
It is recommended that you should have the appropriate manuals available for specific transmitter
devices.
This manual includes information of two types:
background material that enables a skilled user to select the appropriate procedures in this manual
and to apply them in the appropriate sequence, and
detailed descriptions of the MC Toolkit regarding functions, features, and procedures for applying
them
Revision 3 MC Toolkit (MCT404) User Manual 1
1. Introduction
1.1. Overview of MC Toolkit
Product Description
The Honeywell Multi Communication (MC) Toolkit is a handheld communication package that enables
convenient and reliable communications with smart field devices such as valves, actuators, transmitters
etc. MC Toolkit is a smart solution for configuring, calibrating, monitoring, and diagnosing the devices
supporting Honeywell Digitally Enhanced (DE) or HART communication protocols.
The MC Toolkit is available in high level model MCT404
MCT404
The MCT404 has following options:
Ruggedized version: Environmentally hardened with no approvals.
Zone 1 approvals: Intrinsically-safe version available with FM Class I, Div 1, IECEx and ATEX
Zone 1 approvals.
Figure 1-1 MCT404 Ruggedized and Zone 1 Intrinsically safe models
It includes the following components:
A PDA with integrated DE/HART modem
Honeywell MC Toolkit application software (CD ROM)
Honeywell FDC application software (CD ROM)
Test leads for the electrical connection from the PDA to the field device
Connector cables for connecting the PDA to the PC
Software components
The Honeywell MC Toolkit consists of two software applications:
2 MC Toolkit (MCT404) User Manual Revision 3
1. Introduction
CAUTION! WARNING!
In some cases, the use of a field communicator with a transmitter that is connected on-line can
have an adverse effect on process operations.
1.2. Transmitter Type and Communication Mode
The MC Toolkit application software is used for configuring, calibrating, monitoring, and
diagnosing the Honeywell Digital Enhanced (DE) devices.
Field Device Configurator (FDC) application software is used for configuring, calibrating,
monitoring, and diagnosing HART devices. FDC uses the IEC 61804-3 EDDL standard
specification for providing an open solution for supporting any HART device with a registered DD
file with HART Communication Foundation (HCF).
Procedural Considerations
Before using the MC Toolkit, be certain that you know the potential consequences of each procedure,
and that you use the appropriate safeguards to prevent problems. For example, if the transmitter is an
element of a control loop, the loop should be placed in the manual operating mode, and alarms and
interlocks ("trips") should be disabled as appropriate before beginning the procedure.
The primary factors to be considered are separated into three categories under the following three
headings.
The information under the following headings is intended as background for use of the DE Procedures
and HART Procedures, which are given in separate sections of this manual.
1.2 Transmitter Type and Communication Mode
The MC Toolkit can be used with various types of field transmitters, most of which can be operated in
more than one mode.
Honeywell DE transmitter operating in Smart Analog Mode
Honeywell DE transmitter operating in Digital Enhanced (DE) Mode
Honeywell (and other) HART transmitter operating in point-to-point (Analog w/ HART digital
mode)
Honeywell (and other) HART transmitter operating in multi-drop (HART-only digital mode)
The salient characteristics of each item listed, and the implications of each characteristic in procedures
are described under Transmitter/Communications Characteristics
Revision 3 MC Toolkit (MCT404) User Manual 3
1. Introduction
1.3. Type of Procedure
1.3 Type of Procedure
The MC Toolkit is designed to provide these basic functions:
Depending on combinations of factors such as transmitter type, and communications mode, some
procedures such as monitoring the performance of a transmitter can be straightforward and innocuous,
but in some cases can also require special preparation and precautions.
1.4 Prerequisites
Special Equipment and/or Environment for Calibration
Typically, a smart transmitter delivered by a major manufacturer today is designed to provide a high
degree of precision throughout its operating range, and has been calibrated to a high level of accuracy
that is not easy to duplicate in your plant process areas. Moreover, the design, materials, and
manufacturing process employed will ensure that the instrument will stay within calibration limits for an
extended period.
Typically, calibration of a process-connected transmitter will degrade, rather than augment, the capability
of a smart transmitter. For this reason, the calibration procedures in this MC Toolkit User Manual
include a recommendation that the transmitter is removed from service and is calibrated only in a
controlled laboratory environment, using equipment whose precision is certified.
Software Environment
MC Toolkit runs on the Windows Embedded Handheld 6.5 operating system. A basic familiarity with the
OS and the PDA functions is expected.
If you are running Windows XP, download ActiveSync/Mobile Device Center 4.1 or above from the
Microsoft Web site and install it on your PC.
If you are running Windows Vista or Windows 7 download Windows Mobile Device center version 6.1
or above from the Microsoft Web site and install it on your PC.
SD Card: At least 1GB memory on the SD Card. Use a SD™ card to increase file storage and install
software. The MCT404s support an optional 32 GB maximum capacity microSD card. The SD card is
formatted to FAT or FAT32. The MCT404 is despatched with 2GB of memory
Regional Settings: Before starting the applications, set the Regional Settings to English (United States).
To check the Regional Settings of your PDA, select Start/Settings/System/Regional Settings. Make sure
it is set to English (United States).
4 MC Toolkit (MCT404) User Manual Revision 3
2. Before you begin
2.1 Calibration requirements
Input calibration
Input calibration of pressure transmitters should be done only when necessary, and should be done only
under conditions that will ensure accuracy:
The transmitter should be taken out of service, and should be moved to an area with favorable
environmental conditions: clean, dry, and temperature-controlled.
The source for the input pressure must be very precise, and certified for correct operation.
The procedures should be done by qualified personnel.
Details of requirements and procedure are given in Table 14.
Output Calibration
The Loop Test procedure is intended as a check for continuity and condition of components in the output
current loop. The Loop Test procedure is given in Table 15.
The Trim DAC Current procedure calibrates the output of the Digital to Analog converter for minimum
(0%) and maximum (100%) values of 4 mA and 20 mA, respectively. This procedure is used for
transmitters operating on-line in analog mode, to ensure proper operation of the transmitter with all
associated circuit components (wiring, power supply, control equipment, etc). It is necessary to use
precision test equipment (an ammeter or a voltmeter in parallel with precision resistor). The Trim DAC
procedure is given in Table 16.
The Apply Values procedure uses actual Process Variable input levels for calibrating the range of a
transmitter. To measure a liquid level for example, a sight-glass can be used to determine the minimum
(0%) and maximum (100%) level in a vessel. The Process Variable is carefully adjusted to stable
minimum and maximum levels, and the LRV and URV values are then set by commands from the MC
Toolkit. The DE Apply Values procedure is given in Table 17.
2.2 Transmitter/Communication characteristics
Digital to Analog conversion and transfer
The characteristics of a typical Honeywell Smart Pressure Transmitter (DE Protocol) are summarized in
Figure 2-1 through Figure 2-5, following.
Honeywell Transmitter (Analog Mode)
Analog-to-Digital Sensing
As indicated by key number (1) in Figure 2-1, the sensor is a sealed assembly that typically includes
three separate sensors: Differential Pressure (DP), Static Pressure (SP) and Temperature (Temp).
Input Characterization
Revision 3 MC Toolkit (MCT404) User Manual 5
2. Before you begin
2.2. Transmitter/Communication characteristics
The sensor also includes a PROM, (2), which is Non-Volatile Memory (NVM) that stores
"characterization" constants written at the factory, and calibration constants, which can be written at the
factory and/or at the user's site. The data in NVM is used in an algorithm in the microprocessor, (3),
which is executed continuously to calculate the input value.
Figure 2-1 Honeywell ST 3000/ ST 800 Smart Transmitter - Analog mode
The characterization constants, which are written at the factory, are derived from highly precise testing of
the sensor's response over a range of temperatures, and from the Lower Range Limit (LRL) to the Upper
Range Limit (URL) of the sensor. The purpose of the characterization constants is to compensate for
very small inaccuracies in the sensor that are introduced by variations inherent in construction materials,
and to ensure that the calculated input is a high-fidelity representation of the analog input (linear or
square root), with a precise "zero" reference.
Input Calibration ("Corrects")
To optimize accuracy, the PROM includes storage for calibration constants: Correct Input Zero, Correct
LRV, and Correct URV.
The corrects constants provide for optimum accuracy in that they enable fine-tuning of the input
calculations, by first correcting at zero input, then bounding the input calculations at your operating range.
That is, corrections are applied at the Lower Range Value (LRV) and the Upper Range Value (URV).
Factory calibration can be specified in the purchase order. Also, if precision equipment, suitable
environment, and required skill are available at your site, input calibration can be done locally.
Reset Corrects
In some cases, the calibration procedure yields unsatisfactory results such that the Corrects constants
must be removed from memory. The Reset Corrects erases all three corrects constants, so that only the
factory-written characterization constants will be retained in the PROM.
Digital Communication Path
6 MC Toolkit (MCT404) User Manual Revision 3
2. Before you begin
Parameter Name
Parameter Description
Display Examples
PVEULO
Process Value , Engineering Units, Low
PVEULO 100 in H20
PV
Process Value
PV 175 in H20
PVEUHI
Process Value , Engineering Units, Low
PVEUHI 225 in H20
2.2. Transmitter/Communication characteristics
As indicated at key number (4) in Figure 2-2, the Honeywell Smart Transmitter includes a path for
digital communications between the sensor (via the microprocessor) and the 4-20 mA current loop that
connects the transmitter to external communications devices such as process control equipment
("receiver") and/or to a MC Toolkit.
Digital to-Analog Conversion and Transfer
The digital-to-analog converter (D/A) shown at key number (5) in Figure 2-1is shown as a box with a
dotted line to indicate that analog output mode is a user-selectable feature, for use in an application
whose receiving equipment requires an analog input.
Note that the Digital I/O (Comm) (communications) box (4) is shown in Figure 2-1with solid line to
indicate that the digital communications path is available at all times, even when analog mode is selected.
Honeywell Transmitter Output - Analog Mode
The diagram in Figure 2-2 provides an overview of a Honeywell transmitter operating in the analog
mode.
Analog (PV Signal) Output
The vertical scale at the left of Figure 2-2is an example of the available range (LRL to URL) of a
pressure transmitter sensor as built and characterized at the factory. The area of this scale that is
highlighted in white represents the configured process operating range (LRV to URV) - in this case, from
100 in H2O to 225 in H2O.
Note that Engineering Units (EUs) shown in Figure 2-2 are included here only for reference. The
transmitter does not perform any conversion of the base units’ value to Engineering Units. All
conversion to EUs is performed in the MC Toolkit and/or in other receiving devices such as operating
panels associated with control equipment. Default conversion is to inches-H2O @39F.)
The output of a Honeywell transmitter operating in the analog mode is a scaled value (0% - 100%) of
current (4 mA to 20 mA), whose lower and upper limits correspond to the configured operating range
(LRV-URV), respectively.
At the right of Figure 2-2, "PVEULO", "PV", and "PVEUHI" are examples of parameter names that
appear on Honeywell control equipment, which are used as follows.
Revision 3 MC Toolkit (MCT404) User Manual 7
2. Before you begin
URVURV
CAUTION:
These rapid transitions provide for effective communications, but will interfere adversely
with a transmitter operating on-line in a control loop.
The MC Toolkit communicates digitally; exercise caution and good judgment when
connecting the unit to an on-line transmitter operating in the analog mode.
2.2. Transmitter/Communication characteristics
Honeywell transmitter analog value scaling
Figure 2-2 Honeywell Analog Value Scaling
Digital (Communications Signal) Input/Output
As indicated at the right of Figure 2-2, communications between the MC Toolkit and the Honeywell
Smart Transmitter consist of digital pulse strings, with rapid transitions of current level between
(approximately) 4 mA and 20 mA.
8 MC Toolkit (MCT404) User Manual Revision 3
2. Before you begin
process safety
Unlike in the analog mode, communications devices do not "bump" the
value of the PV.
accuracy is retained with less
maintenance
Digital communications are relatively immune to small variations in
circuit resistance or supply voltage.
facilitates maintenance tasks
Honeywell control systems include operating displays that enable direct
communication with transmitters operating in DE mode.
CAUTION:
Although it in not necessary to put a control loop in manual before communicating with a
transmitter operating in DE mode, caution is required if there is any potential for error in
identifying operating mode.
Most of the operation of the Honeywell Smart Pressure Transmitter Digital Enhanced (DE) mode is
similar to that of operation in the analog mode. The essential characteristics of operation in DE mode are
shown in Figure 2-3 Honeywell DE Mode Value Scaling
As indicated at the right of Figure 2-3 Honeywell DE Mode Value Scaling, output values of process
variables, as well as digital communications, are transferred to a receiving device digitally. The digital
coding is Honeywell proprietary, which requires the use of DE-capable Honeywell control equipment.
The use of DE mode offers several advantages:
Honeywell HART Transmitters
Transmitters with HART capability have features that vary among manufacturers and with the
characteristics of specific devices. The FDC application supports the HART Universal, Common
Practice, and Device Specific Commands that are implemented in Honeywell HART transmitters
As the diagram in Figure 2-4 shows, the Honeywell HART Transmitter is virtually identical to nonHART transmitters, except that the HART version includes a Digital I/O Modulator/Demodulator block
(key number (4) instead of the Honeywell DE communications block.
As indicated in Figure 2-5, the output of the HART includes two primary modes:
Point-to-Point Mode, in which one transmitter is connected via a two-conductor, 4-20 mA current
loop to one receiver.
Multi-Drop Mode, in which several transmitters are connected via a two-conductor network to a
multiplexed receiver device.
In point-to-point mode, the value of the primary PV is represented by a 4-20 mA current loop, almost
identical to that of the Honeywell Transmitter operating in analog mode. In this case however, the
analog signal is modulated by Frequency Shift Keying (FSK) methods, using frequencies and a current
amplitude that do not affect analog sensing at the receiver.
Note that the accuracy of the analog level must be precisely controlled for accurate sensing, but that
HART communications will not "bump" the process variables.
In multi-drop mode, up to 16 transmitters in HART 5 (addresses 0-15) and up to 64 transmitters in
HART6/7 (addresses 0-63) can exist on the two-conductor network, which precludes analog transmission
Revision 3 MC Toolkit (MCT404) User Manual 9
2. Before you begin
CAUTION:
Before connecting to a HART transmitter, ensure that the MC Toolkit is not set up for DE
communications, whose current amplitude can "bump" process variables in either point-topoint mode or in multi-drop mode.
URVURV
2.2. Transmitter/Communication characteristics
methods. In this case, the same FSK modulation method is used for conveying levels of PV (and other
variables) and also for communications.
Non-Honeywell HART Transmitters and Devices
HART-capable transmitters from any manufacturer and for any specific purpose are designed to
common-agreement standards that provide for inter-operability.
Guidelines published by the HART Communication Foundation enables manufacturers to design devices
that communicate via a set of standard commands and responses.
The FDC application software supports the HART Revision 5.0, 6.0 and 7.0 commands that are exposed
through the HART Communication Foundation Device Description files. For more information, refer to
tables in the Reference Data section 5.8.
The FDC uses Device Descriptions stored in the Pocket PC to communicate to all universal, common
and device specific commands. MC Toolkit will come with all HART Registered (updated once per
quarter) Device Descriptions pre-loaded.
Figure 2-3 Honeywell DE Mode Value Scaling
10 MC Toolkit (MCT404) User Manual Revision 3
2. Before you begin
2.2. Transmitter/Communication characteristics
Figure 2-4 Honeywell (HART) Transmitter Diagram
Figure 2-5 HART Point-point and Multi-Drop Value Scaling
Revision 3 MC Toolkit (MCT404) User Manual 11
2. Before you begin
2.3. Wi-Fi Connection Support
2.3 Wi-Fi Connection Support
MCT404 is sold with or without Wi-Fi option.
This section shows you how to connect the handheld to Wi-Fi and then connect to the Internet for
example to download the DD files for any Transmitter or connect to a network printer etc.
1. Make sure the Wi-Fi setting is Turned on
2. Set the Security Choice to “Func Security”
12 MC Toolkit (MCT404) User Manual Revision 3
2. Before you begin
2.3. Wi-Fi Connection Support
3. The IP address will be detected automatically. If it is not detected, then find the IP address from your
network provider and enter it in the IP Address and Subnet Mask field.
4. Select OK. Once the IP address is entered, you can connect to the network with or without DHCP
Enabled.
Revision 3 MC Toolkit (MCT404) User Manual 13
3. Getting Started
3.1 MC Toolkit Installation
MC Toolkit software is fully loaded in the factory on all new orders.
The installation instruction for the above process is in document 34-ST-33-59.
The above document is available at:
Button for powering on/powering off the MC Toolkit.
Pin charging plug with USB connector.
Reset buttons. For Soft Reset, press both the buttons simultaneously.
3.2. MC Toolkit Assembly
Table 2 describes the components of the MCT404 assembly.
Table 2 Components of MCT404 assembly
Revision 3 MC Toolkit (MCT404) User Manual 17
3. Getting Started
3.3. Safety instructions
3.3 Safety instructions
General safety instructions
Persons using the unit must observe the standard safety regulations and read the certificate to prevent incorrect
operation or misuse of the unit.
For MCT404
For general safety instructions while using MCT404, refer to the “Safety regulations – General safety
instructions” section of“300011CB02A01_instruction_manual_irocCi70-Ex_EN.pdf” that is shipped
with the MCT404 product
The safety instructions from the above Safety Guide have been updated below as they are
applicable to MCT404 product. The following additional safety regulations must also be
observed:-
- The unit must not be opened within the Ex-area.
- For battery information refer to MCT404 battery replacement section 7.1
- Avoid using the unit in aggressive acidic or alkaline solutions.
- Ensure that the MCT404-X_ Ex unit is not taken in to Zone 0 areas.
- Ensure that the MCT404 - Y_ Ex unit is not taken into Zone 1/0 or 21/20 areas.
- Ensure that the MCT404 - ZZ unit is not taken in to Ex-area.
- Electromagnetic waves, which can arise with the i.roc when using WLAN or Bluetooth functions, can
cause disturbances and endanger your health! Since no definite statements can currently be made about
the immunity from disturbances of heart pacemakers, we recommend users of pacemakers to avoid
using transmitters generally.
- Do not transmit near persons with pacemakers!
- Permission to use electronic devices in airplanes is up to the respective airline.
- Avoid effects of elevated heat: Do not place the device near heat sources, such as radiators, airconditioner air exit openings, stoves or other devices (including amplifiers) that radiate heat.
- Avoid effects of moisture.
- Do not put any objects into the product: Do not put objects into the housing or other product openings.
These openings must not be obstructed, blocked or covered.
- Set-up: Never set up the product on a table, vehicle, stand or holder that is not stable. Follow the
manufacturer‘s instructions when setting up or installing the product, and use the accessories
recommended by the manufacturer for installation.
- Adjust loudness: Reduce the volume before using earphones or other audio devices.
18 MC Toolkit (MCT404) User Manual Revision 3
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