AirLiveメーカーAirMax DUOの使用説明書/サービス説明書
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W H-9200AP 802.11a/b/g Dual Radio W ireless Base Stat ion Use r ’ s Manual.
Copyright and Disclai mer AirLive W H-9200AP User ’ s Manu al Copyright & Disclaimer No part of this publication may be reproduc ed in any form or by any means, whether electronic, mechanical, photocopying, or record ing without the written consent of OvisLink Corp.
T able o f Content s AirLive WH-9200AP User ’ s Manual ii Regulatory Information Federal Communication Commission Interference S t atement This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules.
T able o f Content s i AirLive WH-9 200AP User ’ s Manual Table of Contents 1. Introduction ................................................................................................ 3 1.1 Overview .............................................
T able o f Content s AirLive WH-920 0AP User ’ s Manual ii 3.9 Bandwidth Control.............................................................................. 59 3.9.1 T otal Bandw idth C ontrol ......................................................
1. Introd uction 3 AirLive WH-9200AP User ’ s Manual 1 1. Introduction 1.1 Overview The WH-9200AP is a dream device for WISP to build their wireless networks. The AP features 2 Atheros 11a/b/g radios that run in 5GHz or 2.4GHz frequency band. Moreover, it provides hi-power at 11a mode for extra long distance applic ation.
1. Introduction AirLive WH-920 0AP User ’ s Manual 4 1.2 Installing WH-9200AP This section describes the in stallation procedure for the WH-9200AP. It starts with a summary of the content of the package you hav e purchased, followed by steps of how to power up and connect the WH-9200AP.
1. Introd uction 5 AirLive WH-9200AP User ’ s Manual 3 WLAN2 LED Green Low Signal: Flash per second Better Signal: Flash every 2 seconds Best Signal: S teady On 4 POE/W AN - LAN port #1, compatible with 802.
1. Introduction AirLive WH-920 0AP User ’ s Manual 6 Pole Mount/W all mount Installa tion.
1. Introd uction 7 AirLive WH-9200AP User ’ s Manual Power Inst allation The following image shows the power installati on of WH-9200AP . Note that WH-9200AP is IEEE802.3af compatible, you should use the p acked POE kit or POE Switch for power injection.
1. Introduction AirLive WH-920 0AP User ’ s Manual 8 1.2.3 Configuration Setups The factory default settings of WH-9200AP are as following: Default V alue Settings Wireless1 Wireless2 Device Name WH-9200AP Radio 802.1 1a 802.1 1a SSID airlive1 airlive2 Channel 36 36 (auto in 802.
1. Introd uction 9 AirLive WH-9200AP User ’ s Manual Access to management interface 1 Please make sure your computer IP is in the same subnet as the AP (i.e. 192.168.1.x). 2 Please make sure your computer has wireless network adapter installed. 3 Open the web browser and enter http://192.
2. Operation M ode of WH- 9200AP AirLive WH-920 0AP User ’ s Manual 10 2 2. Operation Mode of WH-9200AP The WH-9200AP device provides all 14 modes of wireless operational applications with: 2.1 Change Operation Mode WH-9200AP is default in Dual AP mode.
2. Operati on Mode of WH -9200AP 11 AirLive WH-920 0AP User ’ s Manual 2.2 Dual AP Mode In Dual AP mode, both wirele ss interface of WH- 9200AP are set as AP and provide hotspot service on each interface.
2. Operation M ode of WH- 9200AP AirLive WH-920 0AP User ’ s Manual 12 z This Application provides wider coverage t hat difficult to be reached with a unique Omni antenna by using another adequate antenn a such as sector antenna. It’s particularly suitable for WISP to provide stable and high performance link.
2. Operati on Mode of WH -9200AP 13 AirLive WH-9 200AP User ’ s Manual Both Radios has its own setting interface. To configure AP mode, please refer to Section 3.1 Access Point Mode. 2.3 Duplex Mode The duplex mode groups the two radios to double the bandwid th between two WH-9200APs.
2. Operation M ode of WH- 9200AP AirLive WH-920 0AP User ’ s Manual 14 z This Application provides higher bandwidth between two locations than single radio does. When clients transmitting data which over the loading of single radio, the other radio shares the loading and make it able to transmit more data between the two WH-9200AP.
2. Operati on Mode of WH -9200AP 15 AirLive WH-9 200AP User ’ s Manual T o configure the WDS mode, Please refer to Section 3.2 WDS Bridge Mode …… 2.4 Dual WDS Bridge Mode In Dual WDS Bridge mode, both wireless interf ace of WH-9200AP are set as WDS Bridge and connect to remote network.
2. Operation M ode of WH- 9200AP AirLive WH-920 0AP User ’ s Manual 16 z In this mode, the AP can act as a signal repeating st ation in a wireless backbone network.
2. Operati on Mode of WH -9200AP 17 AirLive WH-9 200AP User ’ s Manual Both radios are using WD S mode for communication. T o configure the WDS mode please refe r to section 3.2 WDS Bridge Mode …… 2.5 Separate Bridge Mode The Separate Bridge sep arates the device into 2 IP segment s.
2. Operation M ode of WH- 9200AP AirLive WH-920 0AP User ’ s Manual 18 z In this application, both Radio 1 and Radio 2 are in WDS Bridge Mode. z The image in Separate WDS Bridge mode UI hel p s to indicate data flow related to the Wireless and the Ethernet ports.
2. Operati on Mode of WH -9200AP 19 AirLive WH-9 200AP User ’ s Manual z In this application, Either Radio 1 or Radio 2 is in AP Mode, the other Radio is in Client mode. z The image in AP + Client / Client + AP mode UI help s to indicate data flow related to the Wireless and the Ethernet ports.
2. Operation M ode of WH- 9200AP AirLive WH-920 0AP User ’ s Manual 20 The UI example of AP + Client is as following: T o configure the AP mode, please re fer to Section 3.1 Access Point Mode…… To configure the Client mode, please re fer to Section 3.
2. Operati on Mode of WH -9200AP 21 AirLive WH-9 200AP User ’ s Manual z In this mode, the AP can act as a signal repeating st ation in a wireless backbone network.
2. Operation M ode of WH- 9200AP AirLive WH-920 0AP User ’ s Manual 22 The UI example of AP + WDS Bridge is as following: T o configure the AP mode, Please refer to Section 3.1 Access Point Mode …… T o configure the WDS mode, Please refer to Section 3.
2. Operati on Mode of WH -9200AP 23 AirLive WH-9 200AP User ’ s Manual z The remote location can access the internet by way of this Access Point which acts as a gateway device of the network. z The image in WDS + Gateway / Gateway + WD S mode UI helps to indicate dat a flow related to the Wireless and the Ethernet ports.
2. Operation M ode of WH- 9200AP AirLive WH-920 0AP User ’ s Manual 24 The UI example of AP + WDS Bridge is as following: T o configure the AP mode, Please refer to Section 3.1 Access Point Mode …… T o configure the WDS mode, Please refer to Section 3.
2. Operati on Mode of WH -9200AP 25 AirLive WH-9 200AP User ’ s Manual z The remote location can access the internet by way of this Access Point which acts as a gateway device of the network. z The image in AP + Gateway / Gateway + AP mode UI help s to indicate data flow related to the Wireless and the Ethernet ports.
2. Operation M ode of WH- 9200AP AirLive WH-920 0AP User ’ s Manual 26 T o configure the AP mode, Please refer to Section 3.1 Access Point Mode …… T o configure the WDS mode, Please refer to Section 3.2 WDS Bridge Mode …… T o configure the Gateway (Router) m ode, Please refer to Section 3.
2. Operati on Mode of WH -9200AP 27 AirLive WH-9 200AP User ’ s Manual z The remote location can access the internet by way of this Access Point which acts as a gateway device of the network. z The image in AP + Gateway / Gateway + AP mode UI help s to indicate data flow related to the Wireless and the Ethernet ports.
2. Operation M ode of WH- 9200AP AirLive WH-920 0AP User ’ s Manual 28 T o configure the AP mode, Please refer to Section 3.1 Access Point Mode …… T o configure the Client mode, Please re fer to Section 3.3 Client Mode …… T o configure the Gateway (Router) m ode, Please refer to Section 3.
3. W ireless Settings 29 AirLive WH-9 200AP User ’ s Manual This section guides you to configure the mode of the Radio interface. Note that the radio can select either 1 1a or 1 1b/g mode. 3.1 Access Point Mode The Access Point mode is the most basic mode of multi-function Access Point.
3. W ireless Settings AirLive WH-920 0AP User ’ s Manual 30 mode as WH-9200AP to connect. ¾ Channel: 1 1a supports channel 36 to 64 and channel 100 to 140.
3. W ireless Settings 31 AirLive WH-9 200AP User ’ s Manual WDS Bridge mode included in these operation m odes: Duplex, Dual WD S Bridge, Separate Bridge, AP + WDS Bri dge, and WDS Bridge + AP . Under WDS mode, Access Points connect s to each other with MAC ID address.
3. W ireless Settings AirLive WH-920 0AP User ’ s Manual 32 And the information shows in main configuration page as below: T o configure the Advanced Settings, please refer to Section 3.7 Advanced Wireless Settings …… 3.3 Client Mode Also known as Ethernet Client.
3. W ireless Settings 33 AirLive WH-9 200AP User ’ s Manual Client mode included in these operation modes : AP + Client, Client + AP , AP + WISP , and WISP + AP . 1. T o connect to an access point, use the “Site Survey” button to find the Access Point.
3. W ireless Settings AirLive WH-920 0AP User ’ s Manual 34 3. The Signal Survey pop up windows shows as following: 4. After the access point is selected, it s SSID shows automatically in the Network ID (SSID) field. Select the access point you want to connect and then click the “ASSOCIA TE” button.
3. W ireless Settings 35 AirLive WH-9 200AP User ’ s Manual T o configure the Security , please refer to Section 3.6 …… T o configure the Advanced Settings , please refer to Section 3.8…… 3.4 Gateway (AP Router) Mode In Gateway mode, router functions are added between one Ethernet port and other network interfaces.
3. W ireless Settings AirLive WH-920 0AP User ’ s Manual 36 Gateway mode acts both in AP and Router wh ich included in these operation modes: AP + Gateway and Gateway + AP .
3. W ireless Settings 37 AirLive WH-9 200AP User ’ s Manual W AN Port Select: Either the Ethernet port 1 or port 2 can be set to be the W AN port. 3.4.1 WAN Port Settings z Click the Setup button to conf igure the W AN interface. z WH-9200AP provides 4 methods for client to access the internet.
3. W ireless Settings AirLive WH-920 0AP User ’ s Manual 38 Clone MAC address: If your ISP allows on ly one MAC address for its intern et access and you need more than one PC/Laptop/Server to access the internet, you can use the Clone MAC address to sol ve this issue.
3. W ireless Settings 39 AirLive WH-9 200AP User ’ s Manual 3.4.2 DHCP Server Settings DHCP Server Settings is to assign private IP address to the devices in your local area network (LAN). Note that WH-9200AP keeps the IP address of 192.168.1.1 and act as the default gateway of the LAN.
3. W ireless Settings AirLive WH-920 0AP User ’ s Manual 40 3.4.3 DMZ & Virtual Server Y ou can use DMZ and Virtual Server Settings to provide connection on internet. For example, you can have your own web server at home and provide access on internet.
3. W ireless Settings 41 AirLive WH-9 200AP User ’ s Manual 3.4.4 IP Filter Settings IP filtering is simply a mechanism that decides which types of IP datagrams will be processed normally and which will be discarded. This allows you to define rules for allowi ng / denying access from / to the Internet.
3. W ireless Settings AirLive WH-920 0AP User ’ s Manual 42 Please do set both inbound/outbound in order to get complete connection. Only inbound or outbound will not allow to get res ponse from the destination IP. Disable IP filtering: No IP filtering is performed.
3. W ireless Settings 43 AirLive WH-9 200AP User ’ s Manual.
3. W ireless Settings AirLive WH-920 0AP User ’ s Manual 44 Dynamic Routing: Select the routing protocol scheme used for the router’s LAN / WAN port. Static Routing: This allows you to manually configure static network routes. Stat ic routes will override routes learned by standard routi ng protocol discover methods.
3. W ireless Settings 45 AirLive WH-9 200AP User ’ s Manual 3.5 WISP Mode In WISP mode, the AP will be have just the same as the Clie nt mode for wireless function. However , router functions are added betw een the wireless W AN si de and the Ethernet LAN side.
3. W ireless Settings AirLive WH-920 0AP User ’ s Manual 46 Please refer to Section 3.4 for gateway settings. T o configure the AP mode, Please refer to Section 3.1 Access Point Mode …… T o configure the WDS mode, Please refe r to Section 3.3 Client Mode …… T o configure the Gateway (Router) m ode, Please refer to Section 3.
3. W ireless Settings 47 AirLive WH-9 200AP User ’ s Manual 3.6 Wireless Security The wireless security is to configure a se cure connection between two wireless devices. WH-9200AP provides WEP , 802.1x, WP A, WP A-PSK, WP A2, WP A2-PSK, WP A-AUTO and WP A-PSK-AUTO security policy .
3. W ireless Settings AirLive WH-920 0AP User ’ s Manual 48 802.1X 802.1x allows users to leverage a RADIUS se rver to do association authentications. Y ou can also enable dynamic WEP key (128 bit) to have data encryption. Here you do not have to enter the WEP key manually because it will be generated automatically and dynamically .
3. W ireless Settings 49 AirLive WH-9 200AP User ’ s Manual WP A Wi-Fi Protected Access (WP A) requires a RADI US server available in order to do authentication (same as 802.1x), thus there is no shared key required. Encryption T ype : There are two encryption types TKIP and CCMP (AES) .
3. W ireless Settings AirLive WH-920 0AP User ’ s Manual 50 Pre-shared Key : T his is an ASCII string with 8 to 63 characters. Please make sure that both the WH-9200AP and the wir eless client stations use the same key . Encryption T ype : There are two encryption types TKIP and CCMP (AES) .
3. W ireless Settings 51 AirLive WH-9 200AP User ’ s Manual Encryption T ype : There are two encryption types TKIP and CCMP (AES) . While CCMP provides better security than TKIP , some wirel ess client stations may not be equipped with the hardware to support it.
3. W ireless Settings AirLive WH-920 0AP User ’ s Manual 52 Pre-shared Key : T his is an ASCII string with 8 to 63 characters. Please make sure that both the WH-9200AP and the wir eless client stations use the same key . Encryption T ype : There are two encryption types TKIP and CCMP (AES) .
3. W ireless Settings 53 AirLive WH-9 200AP User ’ s Manual Encryption T ype : There are two encryption types TKIP and CCMP (AES) . While CCMP provides better security than TKIP , some wirel ess client stations may not be equipped with the hardware to support it.
3. W ireless Settings AirLive WH-920 0AP User ’ s Manual 54 Pre-shared Key : T his is an ASCII string with 8 to 63 characters. Please make sure that both the WH-9200AP and the wir eless client stations use the same key . Encryption T ype : There are two encryption types TKIP and CCMP (AES) .
3. W ireless Settings 55 AirLive WH-9 200AP User ’ s Manual Beacon Interval: The WH-9200AP broadcasts beacon frames regularly to announce its existence. The beacon Interval specifies how often beacon frames are transmitted in time unit of milliseconds.
3. W ireless Settings AirLive WH-920 0AP User ’ s Manual 56 T ransmit Power: T ransmit power output depends upon t he size and RF characteristics because that will determine the number of APs, channels, and need for antennas. Rate Control: Limit the wireless data rate to the selected number .
3. W ireless Settings 57 AirLive WH-9 200AP User ’ s Manual Enter the calculated value of “AckTimeOut” into the appropriate “Ack T imeOut” field (1 1a or 1 1g) in the “Advanced Wireless Settings” window .
3. W ireless Settings AirLive WH-920 0AP User ’ s Manual 58 Enable GRANT address control list: When selected, data traf fic from only the specified devices in the table will be allowed in the network. Enable DENY address control list: When selected, data traf fic from the devices specified in the table will be denied/discarded by the network.
3. W ireless Settings 59 AirLive WH-9 200AP User ’ s Manual 3.9 Bandwidth Control Bandwidth Control is a great tool to contro l the bandwidth of the WISP subscribers.
3. W ireless Settings AirLive WH-920 0AP User ’ s Manual 60 3.9.1 Total Bandwidth Control The total bandwid th controls the data rate at either Wired or Wireless interface. The following example limit the download bandwidth to 1024kbp s and uplink to 512kbp s Example1: 3 wireless clients share downlink and uplink bandwidth.
3. W ireless Settings 61 AirLive WH-9 200AP User ’ s Manual Example2: 3 wired clients share downl ink and uplink bandwidth. Internet 512K 1024K In this example, total uplink bandwid th of t he 3 clients is limited to 512kbps and the tot al download bandwidth of the 3 c lient s is limited to 1024kbps.
3. W ireless Settings AirLive WH-920 0AP User ’ s Manual 62 Inte rn e t 512K 1024K 2048K 4096K 1024K 4096K Rout in g I P Addres s Contr ol 192. 168.1. 37 M AC Addr ess Con t rol 00: 1B: FC: DA:4C: 56 I P Segm ent Contr ol 192. 168. 1.200~220 LAN WAN Note that this option could be enabled in WISP mode.
3. W ireless Settings 63 AirLive WH-9 200AP User ’ s Manual 3.10 Multiple SSID + VLAN Y ou can configure up to 4 SSIDs on your a ccess point and assign diff erent configuration settings to each SSID. All the SSIDs are active at the same time; that is, client devices can associate to the access point using any of the SSIDs.
4. System Management AirLive WH-920 0AP User ’ s Manual 64 Y ou can review the Device information of your WH-9200AP by the interface. The information shows the current firmware version, IP address of your WH-9200AP .
4. System Management 65 AirLive WH-9 200AP User ’ s Manual 4.2 System Management Settings The WH-9200AP allow you to change the p arameter of manage the system. HTTP Port No.: This is to change the management web port of WH-9200AP . By default, the port number is 80 and we type http://192.
4. System Management AirLive WH-920 0AP User ’ s Manual 66 Syslog: If the Syslog is Enabled, WH-9200AP create a log in the system log table when encounters an error or warning condition.
4. System Management 67 AirLive WH-9 200AP User ’ s Manual System Name: A name that you assign to your WH- 9200AP for SNMP software. It is an alphanumeric string of up to 30 characters. System Location: Enter a system location. Info rmation for SNMP software.
4. System Management AirLive WH-920 0AP User ’ s Manual 68 A trap manager is a remote SNMP management station where special SNMP trap messages are generated (by the route r) and sent to in the network. You can define trap m anagers in the system. You can add a trap m anager by entering a name , an IP address , followed by pressing the ADD button.
4. System Management 69 AirLive WH-9 200AP User ’ s Manual T o update the WH-9200AP firmware, first download the firmware from the distributor ’s web site to your local disk, and then from the above screen enter the p ath and filename of the firmware file (or click Browse to locate the firmware file).
4. System Management AirLive WH-920 0AP User ’ s Manual 70 lead you to save the configuration file to your PC. T o restore configure file to WH-9200AP , click the “Browse” button, find the saved configuration fire, then click “REST ORE FROM FILE” button to restore.
4. System Management 71 AirLive WH-9 200AP User ’ s Manual 7. Power on WH-9200AP , the “S t atus” LED will light on after 3 seconds. 8. Push the “Reset” button until the “St atus” LED off and on again and release the “Reset” button. 9.
5. Specifications AirLive WH-920 0AP User ’ s Manual 72 The specification of WH-9200A P is subject to change without notice. Please use the information with caution.
5. Specifications 73 AirLive WH-9 200AP User ’ s Manual WLAN1(Radio 1) z 802.1 1a : 5.15 to 5.825 GHz WLAN2 (Radio 2) z 802.1 1b/g : 2.412 to 2.472 GHz z 802.1 1a : 5.15 to 5.825 GHz Frequency Channel WLAN1(Radio 1) z 802.1 1a USA (FCC) : 12 Europe (ETSI) : 19 - WLAN2(Radio 2) z 802.
5. Specifications AirLive WH-920 0AP User ’ s Manual 74 Output Power 802.11a 802.11g 54 Mbps @ 17dBm 48 Mbps @ 18dBm 36 Mbps @ 19 dBm 6, 9, 12, 18, 24 Mbps @ 23 dBm 54 Mbps @ 19dBm 48 Mbps @ 20dBm 36 Mbps @ 21 dBm 6, 9, 12, 18, 24 Mbps @ 23 dBm RSSI 802.
5. Specifications 75 AirLive WH-9 200AP User ’ s Manual Bootloader Protection and Emergency Firmware Upload Code in bootloader Radius Support HTB QoS P2P Bandwidth Control Product We.
6. W ireless Network Glossary AirLive WH-920 0AP User ’ s Manual 76 The wireless network glossary contains ex planation or information about common terms used in wireless networking products. Some of information in this glossary might be outdated, please us e with caution.
6. W ireless Network Glossary 77 AirLive WH-9 200AP User ’ s Manual 802.11d Also known as “Global Roaming”. 802.11d is a standard for use in countries where systems using other standards in the 802.11 family are not allowed to operate. 802.11e The IEEE QoS standard for prioritizing traffic of the VoIP and multimedia applications.
6. W ireless Network Glossary AirLive WH-920 0AP User ’ s Manual 78 Adhoc A Peer-to-Peer wireless network. An Adho c wireless network do not use wireless AP or router as the central hub of t he network. Instead, wireless cli ent are connected directly to each other.
6. W ireless Network Glossary 79 AirLive WH-9 200AP User ’ s Manual Bootloader Bootloader is the under layering program that will start at the power-up before the device loads firmware. It is similar to BIOS on a personal computer. When a firmware crashed, you might be able to recover your device from bootloader.
6. W ireless Network Glossary AirLive WH-920 0AP User ’ s Manual 80 for hosting Internet Server. A DDNS servic e provides each user account with a domain name. A router with DDNS capability has a built-in DDNS client that updates the IP address information to DDNS service provider whenever there is a c hange.
6. W ireless Network Glossary 81 AirLive WH-9 200AP User ’ s Manual ESSID (SSID) The identification name of an 802.11 wireless network. Since wireless network has no physical boundary liked wired Et hernet network, wireless LAN needs an identifier to distinguish one network from t he other.
6. W ireless Network Glossary AirLive WH-920 0AP User ’ s Manual 82 Hotspot A place where you can access Wi-Fi service. The term hotspot has two meanings in wireless deployment. One is the wireless in frastructure deploymen t, the other is the Internet access billing system.
6. W ireless Network Glossary 83 AirLive WH-9 200AP User ’ s Manual The 802.3ad Link Aggregation st andard defines how to combine the several Ethernet ports into one high-bandwidth port to increase the trans mission speed. It is also known as port trunking.
6. W ireless Network Glossary AirLive WH-920 0AP User ’ s Manual 84 Packet A unit of data sent over a network. Passphrase Used much like a password, a passphrase simplifies the WEP encryption process by automatically generating t he WEP encryption keys for the company products.
6. W ireless Network Glossary 85 AirLive WH-9 200AP User ’ s Manual Preamble Type Preamble are sent with each wireless packet tr ansmit for transmission status.
6. W ireless Network Glossary AirLive WH-920 0AP User ’ s Manual 86 functions of wireless Access Po int and the IP sharing router. RSSI Receiver Sensitivity Index. RSSI is a value to show the Receiver Sensitivity of the remote wireless device. In general, remote APs wit h stronger signal will di splay higher RSSI values.
6. W ireless Network Glossary 87 AirLive WH-9 200AP User ’ s Manual begins, the server sends its public key to the browser. The browser then sends a randomly generated secret key back to the server in or der to have a secret key exchange for that session.
6. W ireless Network Glossary AirLive WH-920 0AP User ’ s Manual 88 TX Output Power Transmit Output Power. The TX output pow er means the transmission output power of the radio. Normally, the TX output power level limit for 2.4GHz 1 1g/b is 20dBm at the antenna end.
6. W ireless Network Glossary 89 AirLive WH-9 200AP User ’ s Manual port on the network device means the port (or wireless connection) that is connected to the Internet side of the network topology. WEP Wired Equivalent Privacy. A wireless encryption protocol.
6. W ireless Network Glossary AirLive WH-920 0AP User ’ s Manual 90 as traditional IP data over the AP. WMS Wireless Management System. An utility program to manage mult iple wireless AP/Bridges. WPA Wi-Fi Protected Access. It is an encry ption standard proposed by WiFi for advance protection by utilizing a password key (TKIP) or certificate.
デバイスAirLive AirMax DUOの購入後に(又は購入する前であっても)重要なポイントは、説明書をよく読むことです。その単純な理由はいくつかあります:
AirLive AirMax DUOをまだ購入していないなら、この製品の基本情報を理解する良い機会です。まずは上にある説明書の最初のページをご覧ください。そこにはAirLive AirMax DUOの技術情報の概要が記載されているはずです。デバイスがあなたのニーズを満たすかどうかは、ここで確認しましょう。AirLive AirMax DUOの取扱説明書の次のページをよく読むことにより、製品の全機能やその取り扱いに関する情報を知ることができます。AirLive AirMax DUOで得られた情報は、きっとあなたの購入の決断を手助けしてくれることでしょう。
AirLive AirMax DUOを既にお持ちだが、まだ読んでいない場合は、上記の理由によりそれを行うべきです。そうすることにより機能を適切に使用しているか、又はAirLive AirMax DUOの不適切な取り扱いによりその寿命を短くする危険を犯していないかどうかを知ることができます。
ですが、ユーザガイドが果たす重要な役割の一つは、AirLive AirMax DUOに関する問題の解決を支援することです。そこにはほとんどの場合、トラブルシューティング、すなわちAirLive AirMax DUOデバイスで最もよく起こりうる故障・不良とそれらの対処法についてのアドバイスを見つけることができるはずです。たとえ問題を解決できなかった場合でも、説明書にはカスタマー・サービスセンター又は最寄りのサービスセンターへの問い合わせ先等、次の対処法についての指示があるはずです。