Hall Technologies March 30, 2023
Page 37 of 39
Troubleshooting
Problem Type
Problem
Options
Video
No Video on Display
Confirm the HDMI input on the display is correctly selected
Confirm the connected source is sending video to the HT-CALIPSO (verify
the connected laptop is in duplicate or extend mode)
Choppy video using
AirPlay
Make sure the AirPlay device’s WiFi is connected to HT-CALIPSO’s soft AP
(may need to turn on in Web UI)
USB
USB-C not connecting
Verify connected cable supports USB-C
The response time to output video of USB 3.0 and Type-C is typically 6-8
seconds, although the response time between PC’s can differ
Confirm the PC can transmit video over USB-C by installing the
DisplayLink device driver:
https://www.displaylink.com/downloads
PC charge reminder
pop-up
This pop-up is normal since the HT-CALIPSO charging power might be
different than what the laptop requires
To ensure the laptop doesn’t lose power, connect a dedicated power
supply
Audio
No audio at far end on
soft codec call (i.e.
Meet, Teams, Zoom,
etc.)
Verify the HT-CALIPSO microphone is not muted (red LED means muted)
Verify the microphone selected in the soft codec is the HT-CALIPSO
Verify the soft codec microphone is not muted
No audio heard on HT-
CALIPSO
Verify the HT-CALIPSO is selected as the desired speaker output in the
laptop by clicking on the speaker icon to open the audio output
Verify the HT-CALIPSO is not muted
Verify the levels are turned up on both the laptop and the HT-CALIPSO