
GW INSTEK PART NO. 82LA-11320MA1
ISO-9001 CERTIFIED MANUFACTURER

This manual contains proprietary information, which is
protected by copyright. All rights are reserved. No part
of this manual may be photocopied, reproduced or
translated to another language without prior written
consent of Good Will Corporation.
The information in this manual was correct at the time
of printing. However, Good Will continues to improve
its products and therefore reserves the right to change
the specifications, equipment, and maintenance
procedures at any time without notice.
Good Will Instrument Co., Ltd. No. 7-1, Jhongsing Rd., Tucheng
Dist., New Taipei City 236, Taiwan.

SAFETY INSTRUCTIONS
Caution: Identifies conditions or
practices that could result in damage
to the instrument or to other
properties.
• Do not place any heavy object on
the GLA.
• Avoid severe impacts or rough
handling that leads to damaging
the GLA.
• Do not discharge static electricity
to the GLA.
• Do not disassemble the GLA
unless you are qualified as service
personnel.
This chapter contains important safety instructions that
must be followed when operating the GLA and when
keeping it in storage. Read the following before any
operation to ensure your safety and to keep the GLA in
the best possible condition.
Safety Symbols
These safety symbols may appear in the user manual or
on the instrument.
Safety Guidelines
Please follow the guidelines below when using the GLA.

• Use a soft cloth dampened in a
solution of mild detergent and
water. Do not spray any liquid into
the GLA.
• Do not use chemicals or cleaners
containing harsh materials such as
benzene, toluene, xylene, and
acetone.
Location: Indoor, no direct sunlight,
dust free, almost non-conductive
pollution (Note below)
• Relative Humidity: < 80%
• Altitude: < 2000m
• Temperature: 0°C to 50°C
Location: Indoor
• Relative Humidity: < 80%
• Temperature: -40°C to 80°C
Do not dispose electronic equipment
as unsorted municipal waste. Please
use a separate collection facility or
contact the supplier from which this
instrument was purchased.

GETTING STARTED
16 channels, 256Kbit/channel
32 channels, 128Kbit/channel
32 channels, 1Mbit/channel
• 100MHz full bandwidth
• Internal clock range: 100Hz ~
200MHz
• External clock range: 0.001Hz ~
100MHz
• Rich trigger functionalities:
voltage level, count, page,
position, delay time and clock,
edge and level configuration
• Memory utilization: max. x255
ratio data compression
• Signal characteristic filtering:
Enable function
• Various signal display mode:
waveform, listing, time,
frequency, and address
• I2C, RS-232C waveform analyzer
• Waveform statistics function
• Compact, lightweight profile
• PC operation with GUI
The Getting started chapter introduces the GLA main
features, panel overview, display overview, installation
and power up.
Main Features

environment
• Fast communication: USB 2.0, 1.1
compatible
• USB bus powered
• Various file export: operation
setting, waveform data, display
image
Package Contents and Accessories
GLA Software1, User Manual1

Panel Overview and Display
Start
Switch
Power
LED
Trigger
LED
Read
LED
Run
LED
Power
Switch
USB
Connector
Input
Connector
For power input (USB bus) and
communication between the PC. USB
2.0 compatible.
Turns On when the trigger condition
is met.
Turns On when GLA transmit
waveform data to PC.
Turns On when GLA is waiting for
trigger condition.
Panel Overview

Triggers signal capturing. This is the
same functionality as the Single Run.
button.
Signal input terminal. C0 ~ C7, D0 ~
D7 are not applicable to GLA-1016.
+3.3V power, IO port, GND terminal
for extension module.
Output signals for monitoring data
capturing and trigger timing. Read
output (R_O) indicates waveform
data is transferred to PC, Trigger
output (T_O) indicates trigger
condition has occurred, and Start
output (S_O) indicates GLA started
waiting for trigger condition.
External (synchronous) clock signal
input, 0.001Hz ~ 100MHz.

Display Overview
Menu bar
Bus/signal list
Tooltip
Data capture status
Tool bar
Horizontal
measurement bar
Trigger list
Bus/Signal configuration.
Data operation and display setup.
Display setup, Shortcut setup, I2C
analysis, RS-232C analysis.
Display configuration and
organization of multiply files.
Help file and system information.

Setup bus trigger properties.
Setup signal trigger properties.
Setup general trigger properties.
Enable/disable data compression.
Select sampling
memory size.
Select sampling
frequency.
Trigger content
set group
Horizontal unit in address.
Horizontal unit in frequency.

Area selection (Enclose) mode.
Show waveform statistics.
Limit the waveform display area.
Move A bar to the center.
Move B bar to the center.
Move T bar (trigger) to the center.
Analyze RS-232C waveform.
Change the waveform
bar height.
Set and show the amount of trigger
delay.

Horizontal measurement bar
Scale (upper line) shows the data
acquisition clock frequency.
Total (lower line) shows the total length
of data acquired by GLA, followed by the
length covered by the analysis range bar.
Display Pos (position) shows the timing
of the display center position.
Trigger Pos (position) shows the trigger
timing.
A/B Position shows user-defined bar
timings.
Time/frequency
difference
Shows the distance between two bars,
whether trigger or user-defined, in time,
frequency, or address point.
Shows the data compression ratio when
the compression mode is enabled.
Bus/Signal and Trigger list
Signal and bus names are
shown in colored codes, with
matching trigger setting on the
right side.

Software Installation and Power Up
Note: Windows Vista and 7 need the DirectX 9.0C Redistributable and
suitable graphics hardware, please see the user manual for details.
1. Insert the CD- Insert the software CD-ROM into
the PC. If the below Setup screen does not appear,
double-click the Setup.exe file.
2. Click the Install Button.
3. Read the license terms and select accept, click
Next.
Software Installation

4. Enter your user name and organization. Set the
range of user access: All users or the user currently
logged in.
5. Select the setup type:
Complete setup: All features will be installed. The
program directory is automatically set.
Custom setup: Installed features and program
directory are set by the user.
6. Reboot the PC when the installation has
completed.
By default the driver is installed together
with the main program. In case the PC
requires a separate software driver
installation, select USB_LA.inf file in the
software package.

Power Up
This section assumes that the Logic Analyzer software
has already been installed.
Connect the GLA and the PC via the USB cable.
Press the GLA power switch and make sure the
power LED turns On.
1. Double-click the desktop GLA icon or
activate the GLA from the program
startup menu.
2. If a hardware connection error message appears,
try the following.
* Reset the GLA USB connection and try again.
* Make sure GLA and PC are connected by a single
USB cable (Do not use USB extension cable).

3. If there is already a setup file (*.gla) being saved,
the software asks whether to open it.
You can still run the software without the GLA
hardware. When the Hardware connection failure
message appears, click Run Demo button.
Most of the software features are available, except
for signal capturing. You can even recall the old
waveform data to be displayed.

Functionality Check
Connect GLA and the PC via the USB cable. Press
the GLA power switch and make sure the power
LED turns On.
See the Power Up section for connection details.
Do one of the following actions to capture the
signal.
• Press the Start button on GLA.
• Click the Run button on the display.
• Press F5 (shortcut for the single run).
• Select Single Run from the Run/Stop menu.
Make sure the signals appear on the display, at the
corresponding terminals.

SPECIFICATIONS
Windows XP/ Windows 7/ Windows
Vista
Static: Maximum 200mA
Working: Maximum 400mA
Static: Max 1W
Working: Max 4W
Interface: USB
Working voltage: 4.5V~5.5V
Operating: 0˚C~50˚C
Storage: -40˚C~80˚C
100MHz ~
200MHz,
asynchronous
100MHz ~
200MHz,
asynchronous
100MHz ~
200MHz,
asynchronous
0.001Hz ~
100MHz,
synchronous
0.001Hz ~
100MHz,
synchronous
0.001Hz ~
100MHz,
synchronous
The specifications apply under the following conditions:
GLA is powered on for at least 30 minutes, within
+20°C~+30°C.
General Specifications
Clock

Positive/
Negative,
Full cycle
within
length
condition
Positive/
Negative,
Full cycle
within
length
condition
Positive/
Negative,
Full cycle
within
length
condition