Chapter 4 System Prompts And Trouble-Shooting; Definitions Of System Prompts; Troubleshooting - UNI-T UTD1000 Series Operating Manual

UTD1000 User Manual
Chapter 4 System Prompts and Trouble-shooting
1. Definitions of System Prompts
Adjustment at Ultimate Limit : This informs you
that the multifunction control knob has reached its
adjustment limit in the current status. No further adjust
is possible. When the vertical deflection factor switch,
time base switch, X shift, vertical shift and trigger level
adjustments have reached their ultimate limits, this
prompt will appear.
USB Device Installed : After a USB device is plugged
into the Oscilloscope, this prompt appears when the
connection is valid.
USB Device Unplugged : After a USB key is unplugged
from the Oscilloscope, this prompt appears.
Saving...... : When the Oscilloscope is saving a
waveform, this prompt is shown on the screen. A
progress bar appears at the bottom.
Loading...... : During waveform recall, this prompt is
shown on the screen. A progress bar appears at the
bottom.
Function Disabled : This prompt appears when [ZOOM]
is pressed at 5ns-100ns time base.

2. Troubleshooting

1.If the screen of your Oscilloscope remains black
without any display after powering on, follow the steps
below to find the cause :
Check if the power switch is properly pressed.
Plug in the DC power adaptor and check if the
battery is out.
Check the power cable connection.
Restart the unit after performing the above checks.
If the unit still fails to power on, contact UNI-T to
request service.
2.If no waveform is displayed after you have acquired a
signal, follow the steps below to find the cause :
Check whether the probe is properly connected to
the signal lead.
Check whether the signal lead is properly connected
to the BNC (channel adaptor).
Check whether the probe is connected properly to
the object to be measured.
Check whether the object for measurement is
generating signals (connect the channel with signals to