About this Document
VT300 User’s Guide, Rev. A4 xi Doc # UM-VT300-EN
About this Document
This document explains how to use the VT300 Weight Indicator. It is intended for
users who perform weighing and related operations themselves. Before starting to
operate the VT300, make sure it has been connected to the mains and to a scale, and
properly set up, by a certified technician.
For information on how to install, setup, upgrade and service these products, see
the VT300 Technical Manual.
Following this section is a Quick Start Guide that provides a brief overview of the
VT300’s main functions.
Chapters and Their Contents
1 Introduction An overview of VT300 features and how the indicator
works.
Pg. 15
2 Using the Display and
Keys
VT300 display and the functions of different keys. Pg. 18
3 Zeroing and Taring How to zero and tare the scale. Pg. 23
4 Weighing Mode How to use VT300 to weigh items. Pg. 26
5 Weighing Vehicles How to use VT300 to weigh trucks with known or
unknown weight.
Pg. 29
6 Counting Mode How to use VT300 to count units. Pg. 33
7 Printing How to use VT300 to print weight measurements. Pg. 35
8 Alibi Memory
Functions
Gives details of how to use the alibi memory functions. Pg. 38
9 Working With the V-
File
How to store and manage vehicle tare values and other
vehicle-related information.
Pg. 40
10 Communicating With
External Devices
How to communicate with a host PC, a printer and a
remote display over VT300’s two serial connections.
Pg. 44
11 Setpoints and Digital
Input
Technical specification for VT300’s setpoints and digital
input, and how to define setpoints.
Pg. 50
12 Errors and
Troubleshooting
Errors displayed by the indicator and how to resolve
each problem.
Pg. 52