AMX TX-MLCD User Manual
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Limited Warranty and Disclaimer
AMX Corporation warrants its products to be free from defects in material and
workmanship under normal use for a period of three years from date of purchase
from AMX, with the following exceptions. Electroluminescent and LCD control
panels are warranted for a period of three years, except for the display and touch
overlay components, which are warranted for a period of one year. Disk drive
mechanisms, power supplies, modifications, MX Series products, and KC Series
products are warranted for a period of one year. Unless otherwise specified, OEM
and custom products are covered for a period of one year. AMX software products
are warranted for a period of 90 days. Batteries and incandescent lamps are not
covered.
This warranty extends to products purchased directly from AMX or an authorized
AMX dealer. Consumers should inquire from selling dealer as to the nature and
extent of the dealer’s warranty, if any.
AMX is not liable for any damages caused by its products or for the failure of its
products to perform, including any lost profits, lost savings, incidental damages, or
consequential damages. AMX is not liable for any claim made by a third party or
made by you for a third party.
This limitation of liability applies whether damages are sought, or a claim is made,
under this warranty or as a tort claim (including negligence and strict product
liability), a contract claim, or any other claim. This limitation of liability cannot be
waived or amended by any person. This limitation of liability will be effective even
if AMX or an authorized representative of AMX has been advised of the possibility
of any such damages. This limitation of liability, however, will not apply to claims
for personal injury.
Some states do not allow a limitation of how long an implied warranty lasts. Some
states do not allow the limitation or exclusion of incidental or consequential
damages for consumer products. In such states, the limitation or exclusion of the
Limited Warranty may not apply to you. This Limited Warranty gives you specific
legal rights. You may also have other rights that may vary from state to state. You
are advised to consult applicable state laws for full determination of your rights.
EXCEPT AS EXPRESSLY SET FORTH IN THIS WARRANTY, AMX MAKES NO OTHER
WARRANTIES, EXPRESSED OR IMPLIED, INCLUDING ANY IMPLIED WARRANTIES OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. AMX EXPRESSLY
DISCLAIMS ALL WARRANTIES NOT STATED IN THIS LIMITED WARRANTY. ANY IMPLIED
WARRANTIES THAT MAY BE IMPOSED BY LAW ARE LIMITED TO THE TERMS OF THIS
LIMITED WARRANTY.
Table of Contents
Introduction ............................................................................ 1
Overview 1
Features 1
Operation 2
Wiring the TX-MLCD 3
AXCESS Programming........................................................... 5
Overview 5
Programming Restrictions 6
Programming Basics 6
Sample Program 8
Specifications....................................................................... 15
Overview 15
Technical Support ................................................................ 17
Overview 17
TX-MLCD Mini-LCD Transmitter Table of Contents i
ii Table of Contents TX-MLCD Mini-LCD Transmitter
Introduction
Overview
The TX –MLCD (Figure 1) is a programmable Radio Frequency (RF) or
Infrared (IR) wireless transmitter. Text for TX–MLCD menu functions is
presented on a 2-line, 16 character, horizontal liquid crystal display (LCD).
All TX–MLCD functions are under software control. The TX–MLCD is
completely compatible with a subset of the AXCESS System programming
language described in the programming section of this User Guide. Figure 1
is an illustration of the TX–MLCD panel arrangement.
Figure 1
TX-MLCD panel
Horizontal LCD
Screen and
Source Dots SOURCE
RS–232 Port
(on side)
IBM
VHS
MAC
CASS LSR DS DUAL
AUX VOLUME LIGHTS V-SHOW
Features
TX –MLCD features include:
UMATIC SLIDES
Red LED
Transmit
Six Function
Keys
Twelve User
Defined Menu
Selection Keys
(Programmable)
• Twenty button matrix—configured as needed by the user.
• LCD—displays up two lines of 16 text characters each for the
programmed menu selection key.
• Transmit LED—indicates that an RF or an IR signal is being
transmitted by the TX–MLCD. The choice of RF or IR is selected
initial manufacture of the unit.
TX-MLCD Mini-LCD Transmitter Introduction 1
• RS–232 port—used to program the TX–MLCD functions. The data
rate is fixed at 1200 baud (bps).
• Portable—the AMX TX–MLCD uses four AAA batteries for
completely portable operation.
Operation
Once a program, like the example in the appendix, is loaded, your TX–
MLCD provides complete menu selection of up to 12 control menus with up
to 6 functions each. Menu selections allow you to control a wide range of
devices with RF or IR signals according to your needs.
• RF or IR selection— The operating mode is determined at the time the
equipment order is placed. RF or IR capability is factory installed in
the unit at the time of assembly.
• Turn the TX–MLCD on—Press any button to activate the menu
screen. The last selected menu will appear first. Press the desired
menu selection button for the menu you want.
• Time out—A power saving feature. If no function key activity occurs
for approximately 2 minutes, the screen will go dark. Press any key to
return to the last selected menu.
• Control Function Menus—Press one of the 12 menu selection keys to
activate a menu of six control functions.
Press one of the 6 circles to activate the corresponding function next to the
dots above and below the display. Figure 2 shows a sample TX-MLCD with
three of the twelve possible function menus.
Figure 2
Sample TX-MLCD menu
options
2 Introduction TX-MLCD Mini-LCD Transmitter
<- DRPS->
MI D CONF
LOW
(LI GHTS)
SOURCE
<<SRCH>>
PSE
(UMATI C)
REW STP
SOURCE
ENT <- CRSR- >
( MAC )
F1
SOURCE
AV
PLY
FWD
REV
Wiring the TX-MLCD
Figure 3 shows how to connect the TX–MLCD RS–232 port to an AXCESS
RS–232 cable for programming.
Figure 3
RS-232 adapter cable wiring
diagram (AXCESS-to-TXMLCD)
9-Pin
D Male
2 TXD
3 RXD
5 Ground
Cable Wiring 9-Pin D to Stereo Plug
Pin 2 to Ring Terminal
Pin 3 to Tip Terminal
Pin 5 to Sleeve Terminal
Length = 8 to 10 inches
Tip
Ring
Sleeve
(3)Tip
(2)Ring
(5)Sleeve
2.5mm Stereo Plug
TX-MLCD Mini-LCD Transmitter Introduction 3
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