Emerson Incus GDU-01-TT Quick Start Manual page 12

Quick Start Guide
2. Remove the transmitter cap located on the ultrasonic emitter (see
Figure
To achieve best results see
Activating a time delayed
3. Press and hold the Activation button to transmit an ultrasound
emission.
During normal operation, the activation indicator will illuminate to
show ultrasound emission. If the activation indicator is off at any time
while the button is pressed, the results are invalid.
Postrequisites
Once you have finished testing the detector, Emerson recommends
replacing the transmitter cap and turning off the GDU-01-TT, turning the
rotary switch to the Off position
indicator light is off. This helps to prolong battery life.
4.3 Verifying alarm settings
Determine the ultrasonic detector alarm settings before using the GDU-01-
TT for operational verification.
The operator will need to determine the distance, or range, between the
GDU-01-TT and the ultrasonic detector based on the ultrasonic detector's
alarm level. In general, the higher the alarm level setting, the shorter you
need to make the distance between the detector and the GDU-01-TT.
4.4 Activating a time delayed alarm
For alarm verification, determine the detector alarm delay before using the
GDU-01-TT.
Activate the transmitter using the Activation button for a time longer than
the delay and ensure that the activation indicator is illuminated for the
specified time. Emerson recommends turning off the alarm delay during the
test. Ensure the time delay is reinstated after testing to prevent unwanted
alarms.
4.5 Operating range and alignment angle
The GDU-01-TT can electronically transmit ultrasonic waves over a long
distance. However, it typically has a narrow field of response when used in
conjunction with an ultrasonic detector due to the nature of electronically
emitted sound.
Figure 4-4
the sensor face for maximum output.
12
4-2) and aim the GDU-01-TT at the ultrasonic detector.
shows the recommended angular alignment of the GDU-01-TT to
Verifying alarm settings
alarm.
(Figure 4-3), and ensuring that the On/Off
June 2021
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