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Information in this document is subject to change without notice and does not represent a commitment on the part of Laser Technology, Inc. No part of this manual may be reproduced in any form or by any means, electronic or mechanical, including photocopying, recording, or information storage and retrieval systems, for any purpose other than the purchaser’s...
Section #1 - Introducing the MapStar TruAngle Congratulations on the purchase of your LTI MapStar TruAngle angle encoder. The TruAngle calculates a turned horizontal angle that can be referenced to any desired point or direction. It works in conjunction with all our laser rangefinders that have an inclinometer for complete 3D position measurements with ...
LTI MapStar TruAngle User’s Manual 3rd Edition Section #3 - Using the TruAngle Page 4 Section #3 - Using the TruAngle Loading the Batteries Two AA batteries are required to power the TruAngle. The Battery Door is located on the left side of the TruAngle.
LTI MapStar TruAngle User’s Manual 3rd Edition Section #3 - Using the TruAngle Page 5 Attaching the Side Brackets and the Laser • The required laser mounting bracket depends upon which laser you are using (Impulse, TruPulse 200, TruPulse 200X, TruPulse 360, TruPulse 360R, TruSpeed Sx or UltraLyte).
LTI MapStar TruAngle User’s Manual 3rd Edition Section #3 - Using the TruAngle Page 6 Connecting the Cables • Connect either end of the supplied laser data cable to the laser’s serial port and the other end to the TruAngle’s serial port labeled “LASER”.
LTI MapStar TruAngle User’s Manual 3rd Edition Section #3 - Using the TruAngle Page 7 Fine Adjust and Friction Lock • The Fine Adjust wheel lets you precisely control the encoder’s rotation. Movement of the wheel results in small angle update measurements. The Fine Adjust ratio is 66:1.
LTI MapStar TruAngle User’s Manual 3rd Edition Section #3 - Using the TruAngle Page 8 Extend the Display Segment Test Extending the Display Segment Test allows you to verify that all display indicators are working properly. 1. Press and hold the ON button. The LCD should look like Figure #8 (Page 7) and the Backlight should also be on.
LTI MapStar TruAngle User’s Manual 3rd Edition Section #3 - Using the TruAngle Page 9 Indexing the Encoder Each time the TruAngle is powered on, the LCD will display “ind” (see Figure #9 on Page 7) prompting you to index the encoder.
LTI MapStar TruAngle User’s Manual 3rd Edition Section #3 - Using the TruAngle Page 10 Removing the Non-Zero Backsight Value There are two ways to remove the Backsight value: • Long press of the ZERO/BS button. This will clear the Backsight value and return the unit to the zeroing mode.
LTI MapStar TruAngle User’s Manual 3rd Edition Section #4 - Managing Serial Data Page 11 Section #4 - Managing Serial Data The TruAngle's two serial ports are used to communicate with external devices. The one labeled LASER to an LTI laser product and the one labeled DATA to a data collector or PC.
LTI MapStar TruAngle User’s Manual 3rd Edition Section #4 - Managing Serial Data Page 12 Format Parameters The TruAngle serial interface uses RS-232 12V signal levels and data format. The format parameters are set to: • Baud Rate 4800 BPS •...
LTI MapStar TruAngle User’s Manual 3rd Edition Section #4 - Managing Serial Data Page 13 Serial Commands Zero the Display Command: #ZERO<CR><LF> where: = message identifier ZERO = refers to Zero the Display <CR> = carriage return <LF> = line feed Instrument Reply: #OK<CR><LF>...
LTI MapStar TruAngle User’s Manual 3rd Edition Section #4 - Managing Serial Data Page 15 Error Messages If an error is encountered, an error message will be output instead of the #OK message. #ER, <CR><LF> where: = message identifier = Error = 1 = Command syntax error (unrecognized character etc.)
LTI MapStar TruAngle User’s Manual 3rd Edition Section #5 - Caring for the TruAngle Page 16 Section #5 - Caring for the TruAngle Operating Temperature The TruAngle components are rated for a temperature range of -22...
LTI MapStar TruAngle User’s Manual 3rd Edition Section #6 - Troubleshooting & Tips Page 17 Section #6 - Troubleshooting & Tips If you see this issue… … take this action The angles output by the TruAngle do not Make sure the TruAngle is level before you appear to be accurate.
Section #8 - LTI Limited Warranty Standard Limited Product Warranty Laser Technology, Inc. ("LTI") warrants products it manufactures to be in good working order, free from defects in materials and workmanship, for a period of 12 months from the date of purchase from LTI or an authorized LTI dealer.
LTI MapStar TruAngle User’s Manual 3rd Edition Index Page 20 Index accessories features range accuracy fine adjust 2, 7 remote trigger angle resolution firmware version report current angle friction lock 2, 7 backlight sensor type backlight status gear noise serial data...