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Invacare TDXSP2 Owners Manual 3 - Page 101

Wireless Technology

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9 Wireless Technology 9.1 Wireless Technology Overview The LiNX control system makes use of Bluetooth wireless technology. Bluetooth is a wireless communications system that is designed to operate in short-range wireless personal area networks (WPAN). LiNX supports both the Smart (low energy) and Classic Bluetooth protocols. These operate in the spectrum range 2.400 GHz to 2.4835 GHz industrial, scientific and medical (ISM) band. Bluetooth Classic uses 79 x 1MHz channels and Bluetooth Smart uses 40 x 2MHz channels. Within a channel, data is transmitted using Gaussian frequency shift modulation. The bit rate is 1Mbit/s, and the maximum transmit power is 5mW. Both Bluetooth protocols use frequency hopping to counteract narrowband interference problems. Bluetooth Technology Specifications Technical Specification Classic Bluetooth Smart (low energy) Bluetooth Class Class 2 Distance/Range (theoretical max.) 10m (33ft) Over the Air Data Rate 1-3 Mbit/s 1 Mbit/s Application Throughput 0.7-2.1 Mbit/s 0.27 Mbit/s 60101833-A Wireless Technology Technical Specification Classic Bluetooth Smart (low energy) Bluetooth Security 56/128-bit and application layer user defined 128-bit AES with Counter Mode CBCMAC and application layer user defined Robustness Adaptive fast frequency hopping, FEC, fast ACK Adaptive frequency hopping, Lazy Acknowledgement, 24-bit CRC, 32-bit Mes- sage Integrity Check Latency (from a non-connected state) Typically 100 ms 6 ms Network Topology Scatternet Power Consumption 5 mW Service Discovery Yes Profile Concept Yes 9.2 Intended Wireless (Electromagnetic) Environment The intended environments for the LiNX wheelchair are defined as the users home, assisted living facilities, nursing 101

Section	Page
User Manual	4
1 General	5
1.1 About this manual	5
1.2 Symbols	5
1.3 Prescription Statement	5
1.4 Intended Use	5
1.4.1 Intended Use — REM500	6
1.5 Service Life	6
2 Safety	7
2.1 General Guidelines	7
2.1.1 Live Edit Guidelines	10
2.1.2 Usage Guidelines	11
2.1.3 Setup and Service Guidelines	12
3 Electromagnetic Compatibility (EMC) Information	14
3.1 Electromagnetic Compatibility	14
3.1.1 Minimizing Emissions	14
4 Components	15
4.1 User interface DLX-REM500	15
4.2 Screen composition overview	15
4.2.1 Battery bar	15
4.2.2 Status bar	16
4.2.3 User function card overview	17
4.3 Navigation button	19
4.4 Labels on the product	20
5 Usage	23
5.1 Operating the remote	23
5.1.1 Connecting the remote	24
5.1.2 Configuring via status screen	24
5.2 Navigating through user function cards	27
5.2.1 Using direct navigation	28
5.2.2 Using indirect navigation	30
5.2.3 Menu select	31
5.2.4 Overview scan select	34
5.2.5 Scan select	34
5.3 Using the multipurpose buttons	37
5.4 Proportional driving mode	37
5.4.1 Using the joystick (proportional driving mode)	37
5.4.2 Controlling the maximum speed	38
5.5 Latched driving mode	39
5.5.1 External stop switch	41
5.5.2 1 Step Up	42
5.5.3 3 Step Up	42
5.5.4 5 Step Up	43
5.5.5 3 Step Up/Down	43
5.5.6 5 Step Up/Down	44
5.5.7 Cruise Control	45
5.6 Emergency stop	45
5.7 Operating the position lights	46
5.8 Operating the hazard lights	47
5.9 Operating the turn signals	49
5.10 Operating the horn	50
5.11 Locking/unlocking the remote	50
5.12 The sleep mode	51
5.13 Operating powered seating functions	51
5.13.1 Through seating cards	51
5.13.2 Through external switches	54
5.13.3 Speed reduction and seating function inhibits	58
5.14 Connectivity cards	59
5.14.1 Setting up a mouse mover	61
5.14.2 Operating the mouse mover	68
5.15 Using secondary inputs	71
5.15.1 Using the Extremity Control Joystick (Chin control)	72
5.15.2 Using the Extremity Control Joystick (Chin Control)	73
5.15.3 Using the Compact Single Switch Joystick	74
5.15.4 Using the Micro Extremity Control joystick	75
5.15.5 Using the Pediatric Compact Joystick	76
5.15.6 Using the Sip and Puff	77
5.15.7 Using the Sip and Puff Head Array	79
5.15.8 Using the Head Array	82
5.15.9 Using the Four Switch Proximity Array	85
5.15.10 Using the Wireless Mouse Emulator	87
5.16 Disabling Bluetooth	89
5.17 Charging the batteries	90
5.17.1 Battery alarms	91
5.18 Using the USB charger	91
6 Maintenance	93
6.1 Maintenance Information	93
6.2 Setup/Delivery Inspection	93
6.3 Wear and Tear Information	93
6.4 User/Attendant Inspection Checklists	94
6.4.1 Inspect/Adjust Weekly	94
6.4.2 Inspect/Adjust Monthly	94
6.4.3 Inspect/Adjust Periodically	94
6.5 Service Inspection	94
6.5.1 Six Month Inspection	95
6.6 Cleaning	95
7 Troubleshooting	97
7.1 Fault diagnosis	97
7.1.1 Fault codes and diagnosis codes	97
7.2 OON (“Out Of Neutral”)	99
8 Technical Data	100
8.1 Technical specifications	100
9 Wireless Technology	101
9.1 Wireless Technology Overview	101
9.2 Intended Wireless (Electromagnetic) Environment	101
9.3 LiNX Wireless Functions	102
9.3.1 Mouse Mover	102
9.3.2 Remote Diagnostics	102
9.3.3 Configuration	102
9.4 Quality of Service	103
9.4.1 Data Integrity	103
9.4.2 Safeguards and Redundancy	103
9.5 Wireless Coexistence	104
9.6 Cybersecurity	104
9.6.1 Cybersecurity Controls	104
9.6.2 User Actions	105
10 Warranty	106
10.1 Limited Warranty—US	106
10.2 Limited Warranty—Canada	106
10.3 Repair or Replacement	106
10.4 Limitations and Exclusions	107

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Wireless Technology

9.1

Wireless Technology Overview

The LiNX control system makes use of Bluetooth wireless

technology. Bluetooth is a wireless communications system

that is designed to operate in short-range wireless personal

area networks (WPAN).

LiNX supports both the Smart (low energy) and Classic

Bluetooth protocols. These operate in the spectrum range

2.400 GHz to 2.4835 GHz industrial, scientiﬁc and medical

(ISM) band. Bluetooth Classic uses 79 x 1MHz channels

and Bluetooth Smart uses 40 x 2MHz channels. Within a

channel, data is transmitted using Gaussian frequency shift

modulation. The bit rate is 1Mbit/s, and the maximum

transmit power is 5mW. Both Bluetooth protocols use

frequency hopping to counteract narrowband interference

problems.

Bluetooth Technology Speciﬁcations

Technical

Speciﬁcation

Classic Bluetooth

Smart (low

energy)

Bluetooth

Class

Class 2

Distance/Range

(theoretical max.)

10m (33ft)

Over the Air Data

Rate

1–3 Mbit/s

1 Mbit/s

Application

Throughput

0.7–2.1 Mbit/s

0.27 Mbit/s

Technical

Speciﬁcation

Classic Bluetooth

Smart (low

energy)

Bluetooth

Security

56/128-bit and

application layer

user deﬁned

128-bit AES with

Counter Mode

CBCMAC and

application layer

user deﬁned

Robustness

Adaptive fast

frequency

hopping, FEC,

fast ACK

Adaptive fre-

quency hopping,

Lazy Acknowl-

edgement, 24-bit

CRC, 32-bit Mes-

sage Integrity

Check

Latency (from a

non-connected

state)

Typically 100 ms

6 ms

Network Topology

Scatternet

Power

Consumption

5 mW

Service Discovery

Yes

Proﬁle Concept

Yes

9.2

Intended Wireless (Electromagnetic)

Environment

The intended environments for the LiNX wheelchair are

deﬁned as the users home, assisted living facilities, nursing

60101833-A

101