Obstructions
For operation under adverse environments, in buildings /
rooms with reinforced concrete walls, steel and iron frame, or
near of obstructions (eg furniture) of metal, the Bluetooth
reception can be disturbed and interrupted.
Type of obstructions
Wood
Synthetic material
Glass
Water
Bricks
Marble
Plaster
Concrete
Bulletproof glass
Metal
Fault
Pairing not possible
Connection not
possible
®
adaptor
Bluetooth
does not appear in
®
list of
Bluetooth
device
Interrupted while
operating
®
adaptor
Bluetooth
without function
Disposal instructions
This category of device does not belong in the
domestic waste, but must be disposed of
separately in accordance with the relevant local
national regulations.
Dispose of batteries in accordance with national
regulations.
Interference or shielding potential
Low
Medium
High
Very high
Cause
• PIN entry is not correct
• Another device is already connected
• No reception/connection interrupted
• Interferences in the reception area
• Obstacle in transmission path
• Another device is already connected
• No reception/connection interrupted
• Interferences in the reception area
• Obstacle in transmission path
• Device out of receiving range
• There is already a connection to a device
®
• Bluetooth
adaptor not supplied with
voltage
®
• Failure at Bluetooth
adaptor
• Interferences in the reception area
• Obstacle in transmission path
• Bypass removed without external
interface connected
Radio Frequency reflective and absorbing
RF components using the same frequency band of 2.4GHz
(eg wireless devices, phones, etc.) may affect the quality of
reception (observe the manufacturer´s documentation!).
.
Remedy
- Check PIN on the Bluetooth
- Disconnect and perform pairing again
- Turn back the device to receiving range
- Turn off the source of interference
(observe manufacturer´s documentation)
- Remove from radio path
- Disconnect and perform pairing again
- Turn back the device to receiving range
- Turn off the source of interference
(observe manufacturer´s documentation)
- Remove from radio path
- Device back to receiving range
- Disconnect the device, then connect again
- Check the installation
- Start reboot
- Turn off the source of interference
(observe manufacturer´s documentation)
- Remove from radio path
- Put in bridging contact (C), see fold-out page I.
®
adaptor (sticker)
6