2
Using the Product
A. Power button
B. Charging LED indicator
C. Bluetooth LED indicator
D. Laser gate LED indicator
E. Laser gate photodiode
F. Gate 1 LED indicator
G. Sensor ID number
H. Gate 2 LED indicator
I. Gate 1 photodiode
J. Gate 2 photodiode
K. Bar tape guide
L. Daisy-chain accessory port
M. Micro-USB port
N. Gate 2 infrared emitter diode
O. Gate 1 infrared emitter diode
P. 1/4-20 mounting nut
Q. Battery door
R. Pulley bracket attachment point
S. Ultra pulley attachment points
Sensor Channels
Connect the sensor following the steps in the Getting Started section of this user
manual. Go Direct Photogate has multiple sensor channels that provide a variety
of data options for measuring the motion of an object. The sensor channels
include
l
Object Velocity
l
Object Acceleration (multiple flags)
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Gate 1 – Gate State
l
Gate 2 – Gate State
l
Laser Gate – Gate State
l
Remote Gate – Object Velocity
l
Remote Gate – Object Acceleration
l
Gate 1/Remote Gate – Timing
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Laser Gate/Remote Gate – Timing
Powering the Sensor
Turning on the sensor
Press the power button once. LED indicator next
to the Bluetooth icon flashes red when unit is
on.
Putting the sensor in sleep
mode
Press and hold the power button for more than
three seconds to put into sleep mode. LED
indicators are off when sleeping.
Connecting the Sensor
See the following link for up-to-date connection information:
www.vernier.com/start/gdx-vpg
Connecting via Bluetooth Wireless Technology
Ready to connect
LED indicator next to the Bluetooth icon flashes
red when sensor is awake and ready to connect
to software.
Connected
LED indicator next to Bluetooth icon flashes
green when sensor is connected to software via
Bluetooth.
Connecting via USB
Connected and charging
LED indicator next to the battery icon is solid
orange and the LED indicator next to the
Bluetooth indicator is off when sensor is con-
nected to software via USB and the unit is char-
ging.
Connected, fully charged
LED indicator next to the battery icon is solid
green and the LED indicator next to the
Bluetooth icon is off when sensor is connect to
software via USB and is fully charged.
Charging via USB,
connected via Bluetooth
LED indicator next to the battery icon is solid
orange and the LED indicator next to the
Bluetooth icon flashes green when the sensor is
connected to software via Bluetooth and the unit
is charging.
Identifying the Sensor
Use the Identify feature to flash the LED indicator next to the Bluetooth icon
on the sensor to which you are connected. In Graphical Analysis 4, Identify is
accessed from Sensor Information. In LabQuest App, Identify is accessed by
tapping the sensor meter, then tapping Go Direct.