7. Other Information
Message
System in use
blank display
7.2 Cleaning
Wipe the product with a soft, dry cloth.
For excessive dirt, wipe the product with a slightly damp cloth.
Important:
R Do not use any cleaning products that contain alcohol, polish powder, powder soap, benzine, thinner,
wax, petroleum, or boiling water. Also do not spray the product with insecticide, glass cleaner, or hair
spray. This may cause a change in colour or quality of the product.
7.3 Trademarks
R Microsoft and Windows are either registered trademarks or trademarks of Microsoft Corporation in the United
States and/or other countries.
R SDXC Logo is a trademark of SD-3C, LLC.
7.4 Terms and illustrations in this document
R SD memory cards are referred to as "SD cards".
R Model number suffixes (e.g., the "BX" in "VL-V900BX") are omitted unless necessary.
R Illustrations may vary slightly from the actual product.
64
R The cables (except for the extension telephone's cable) are not
correctly connected.
→ Check cable connections and make sure that all cables are fully
inserted into the terminals.
– You can also use the Connection check function (page 41) of
the setup tool to check connections.
R Power is not connected to the control box.
→ Check the power connection and connect power to the control box.
R The extension telephone's cable is not correctly connected.
→ Connect the extension telephone's cable.
Cause & Solution
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