Manual - Gefen
Contents
1. get_outdev_name Device output name None help The help command displays the list of available RS 232 IP commands The help command can also be used to provide help on a specific command Syntax help paraml Parameters param1 Command optional Notes When asking for help on a specific command the character must be included as part of the command Example help fadefault Cmd fadefault Return to factory default Routing 1 Disable Lock power mode IR RMT add 0 page 19 Advanced Operation RS 232 IP Commands ipconfig The ipconfig command displays the current TCP IP settings Syntax ipconfig Parameters None Example ipconfig MAC addr 00 1C 91 02 50 27 IP addr 192 168 2 204 Net Mask 255 255 255 0 Gateway 192 168 2 1 Web Server Port 80 Telnet Server Port 23 Telnet password on login is set to OFF Telnet welcome at login is set to OFF page 20 Advanced Operation RS 232 IP Commands irrmtadd The irrmtadd command sets the IR channel of the switcher In order for the included IR remote control unit to function correctly with the switcher both the IR remote control unit and the switcher must share the same IR channel After executing this command the DIP switch settings for the included IR remote control unit are returned See Setting the IR Channel for information on setting the IR channel on the IR remote control unit Syntax2. 34 Appendix Mounting Plate Installation Rack mount ears are provided for installation of this unit into a 1U rack mount space poni Locate the side screws on the unit Remove the front 2 screws that are located closest to the front of the unit Using the removed screws screw the rack mounting bracket into the unit Repeat the procedure on the opposite side of the unit Front of unit Rear of unit page 35 Appendix Specifications Resolution max 2560 x 1600 360 MHz 4 x LED blue 1 x LED red Maximum Pixel Clock Input indicators Power Indicator Video Inputs 4 x DisplayPort female Video Output 1 x DisplayPort female Audio Inputs 4 x 3 5mm mini stereo Audio Output 1 x 3 5 mini stereo USB 4 x Type B female 1 x Type A female RS 232 1 x DB 9 male Ethernet 1 x RJ 45 100BaseT IR Extender 1 x 3 5mm mini stereo jack Input buttons 4 x Push button momentary Power Input 1x5V DC Power Consumption max 17 1 x 1 75 x 4 25 434mm x 44m x 108mm Dimensions W x H x D Unit Weight 1 8 lbs 0 8 kg page 36 Stretch it Switch it Split it Control it Gefen s got it amp 20600 Nordhoff St Chatsworth CA 91311 1 800 545 6900 818 772 9100 fax 818 772 9120 www gefen com support gefen com amp E cc amp This product uses UL or CE listed power supplies
3. User Manual Release A5 Gefen 4x1 DPKVM Switcher Important Safety Instructions Ni pr Ov ge iD cx 10 11 12 13 14 15 GENERAL SAFETY INFORMATION Read these instructions Keep these instructions Heed all warnings Follow all instructions Do not use this product near water Clean only with a dry cloth Do not block any ventilation openings Install in accordance with the manufacturer s instructions Do not install or place this product near any heat sources such as radiators heat registers stoves or other apparatus including amplifiers that produce heat Do not defeat the safety purpose of the polarized or grounding type plug A polarized plug has two blades with one wider than the other A grounding type plug has two blades and a third grounding prong The wide blade or the third prong are provided for your safety If the provided plug does not fit into your outlet consult an electrician for replacement of the obsolete outlet Protect the power cord from being walked on or pinched particularly at plugs convenience receptacles and the point where they exit from the apparatus Only use attachments accessories specified by the manufacturer To reduce the risk of electric shock and or damage to this product never handle or touch this unit or power cord if your hands are wet or damp Do not expose this product to rain or moisture Unplug this apparatus during lightning storms or when unused f
4. ON gt 0 0 JO u OUN gt Only TXD RXD and GND are used RS 232 Settings Description Setting Baud rate 19200 Data bits 8 Parity None Stop bits 1 Hardware flow control None IMPORTANT When sending RS 232 commands a carriage return must be included at the end of the command A space must be included between the command and each parameter page 14 Advanced Operation RS 232 and IP Configuration IP Configuration The 4x1 DPKVM Switcher supports also IP based control using Telnet To set up IP control the network settings for the 4x1 DPKVM Switcher must be configured via RS 232 The default network settings for the switcher are as follows Description IP Address Port Description IP Address Port IP Address 192 168 1 72 Telnet Port 23 Subnet 255 255 255 0 Gateway 192 168 1 254 HTTP Port 80 1 Connect an RS 232 cable from the PC to the 4x1 DPKVM Switcher Also make sure that an Ethernet cable is connected between the switcher and the network 2 Launch a terminal emulation program e g HyperTerminal and use the RS 232 settings listed on the previous page e NOTE Depending upon the network all related IP Telnet settings will need to be assigned Consult your network administrator to obtain the proper settings 3 Set the IP address for the switcher using the sipadd command 4 Setthe subnet mask using the snetmask command 5 Set the gateway router IP address using the sgateway comm
5. keyboard camera etc to the USB Out ports 5 Connect the included 5V locking power supply to the power receptacle on the 4x1 DPKVM Switcher Connect the AC power cord to an available electrical outlet 6 To use the RS 232 communication feature connect an RS 232 cable between the Switcher and RS 232 host controller 7 To communicate with the Switcher using Telnet connect an Ethernet cable from the Ethernet jack on the back of the Switcher to the network See IP Configuration for more information on using the Telnet feature 8 To extend the range of the IR control connect an IR Extender Gefen part no EXT RMT EXTIR to the back of the Switcher Sample Wiring Diagram MINI STEREO AUDIO CABLE gceren Ber Canis RS 232 CABLE USB CABLE ETHERNET IR Computer Computer gt IR Extender RS 232 Controller Powered Speakers EXT DPKVM 441 WARNING This product should always be connected to a grounded electrical AC outlet page 7 02 Operating the 4x1 DPKVM Switcher SwitchirigiSoU Ges ree eR END UTIQUE UE TENURE 10 Switching sources using the Front Panel Buttons 10 Switching sources using the IR Remote Control 11 Switching Sources Switching sources using the Front Panel Buttons The front panel of the 4x1 DPKVM Switcher has a set of four 4 LED indicators displaying which input source is being displayed Each of these LED indicators correspo
6. Parameters param1 Gateway Example sgateway 192 168 1 1 New IP Gateway set to 192 168 1 1 show_pass The show pass command displays the current Telnet password Use the set_ pass command to set the Telnet password Syntax show_pass Parameters None Example show_pass Telnet password reindeer page 25 Advanced Operation RS 232 IP Commands show_user_name The show_user_name command displays current user name Use the set_user_name command to set the user name Syntax show_user_name Parameters None Example show_user_name Telnet login Admin show_ver_data The show ver data command displays the current hardware and firmware version Syntax show ver data Parameters None Example show ver data Hardware version 0 Firmware Release version 1 4 9 Release date Apr 22 2012 Release time 14 56 52 Boot loader version 1 6 page 26 Advanced Operation RS 232 IP Commands sipadd The sipadd command sets the IP address of the switcher The IP address must be entered using dot decimal notation The switcher must be rebooted after executing this command Syntax sipadd paraml Parameters param1 IP address Example sipadd 192 168 1 127 New IP set to 192 168 1 127 snetmask The snetmask command sets the subnet mask The net mask must be entered using dot decimal notation The switcher must be rebooted after executing this
7. Switching SOU COS iii e e il ira ila 10 Switching sources using the Front Panel Buttons 10 Switching sources using the IR Remote Control eee eee 11 Advanced Operation RS 232 and IP Configura aa 14 RS 232 Interface iaia 14 S aT 14 P Gonfigurationi cci cec een 15 RS 232 SS neta sonent Repo hire 16 Appendix Firmware Upgrade Procedure cocinar 34 Mounting Plate Installation u petere is 35 Specifications sans e EE E ii nia 36 viii 01 Getting Started to e wel Oo OST Fra E NR EE BackiPanel ee CR ee IR RemoteiGontrollUnite e nni Backen eter cea Installingithe Battery eere eere ere UII TEMERE settingitheilR Channelt see Eee Installationizs o see ree rere ee Pereira VE A RAE ster ee dedere a Connecting Ne ADAMS Eee SAMPIEWINNGIDIAGANEZE noe Getting Started Panel Layout Input indicators Each of these LED indicators glows bright blue according to the input selection Receives IR signals from the included IR remote control unit Press these buttons to select the desired input Input buttons This LED indicator will glow bright red when the unit is powered page 2 Getting Started Panel Layout Back Panel 1 5V DC Connect the included 5V DC locking power supply to this receptacle 2 Audio In 1 4 Connects up to 4 audio sources using 3 5mm mini stereo cable 3 DP In 1 4 Connects up to 4 DisplayPort sources 4 Audio O
8. command The default net mask is 255 255 255 0 Syntax snetmask paraml Parameters param1 Gateway Example snetmask 255 255 0 0 New IP mask set to 255 255 0 0 page 27 Advanced Operation RS 232 IP Commands stbymode The stbymode command toggles the Standby Mode state When Standby Mode is enabled the LED of the currently active input will flash Once the switcher is placed in Standby Mode no video will be displayed The power LED will continue to glow bright red Placing the switcher in Standby Mode does not power down the switcher Syntax stbymode param Parameters param1 Value O 1 Value Description 0 Disable Standby mode On 1 Enable Standby mode Off Examples stbymode 1 Video power is set to OFF stbymode 0 Video power is set to ON page 28 Advanced Operation RS 232 IP Commands use_telnet_pass The use_telnet_pass command enables or disables the login credentials when starting a Telnet session Syntax fuse telnet pass paraml Parameters param1 Value O 1 Value Description 0 Disable password 1 Force password Example fuse telnet pass 1 Telnet password on login is set to ON page 29 Advanced Operation RS 232 IP Commands r The r command switches to the specified input Do not precede this command with the symbol Syntax r paraml Parameters param1 Input 1 4 Example 3 Route to input 3 page 3
9. 0 04 Appendix ElrmwareUpgrade rc ee 34 Mounting Plate Installation en SA E Appendix Firmware Upgrade Procedure The following items are required to update firmware Gefen 4x1 DPKVM Switcher Computer running Windows XP Terminal emulation program e g HyperTerminal RS 232 cable do not use a null modem cable Firmware files downloaded from Gefen Web site To begin the update procedure use the activebolo command The following set of instructions will be using Hyperterminal 1 2 son Power on the switcher Connect an RS 232 cable to the PC and open the terminal program See RS 232 Settings for configuration information Type the command activebolo and press the ENTER key Type and enter the activebolo command a second time The following will be displayed on the terminal screen Download new program 1 Cancel 0 Press the 1 on the computer keyboard to select Download new program The following will be displayed Waiting for the file to be sent press a to abort In Hyperterminal click Transfer Send File Select the firmware file using the Browse button Select YModem from the Protocol drop down list Click the Send button on the Send File dialog The firmware update procedure will begin This process should take a few moments After the firmware update is successful the following will be displayed in the terminal program Programming Completed Successfully page
10. TWARE EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE vi Features and Packing List Features Front panel switching using discrete select buttons Supports resolutions up to 2560 x 1600 Supports RGB and YCbCr color spaces RS 232 control IP control IR remote control Supports USB 2 0 with backward compatibility for USB 1 1 Jack for external IR Receiver EXT RMT EXTIR Save space on your desktop Rack mountable Packing List The 4x1 DPKVM Switcher ships with the items listed below If any of these items are not present in your box when you first open it immediately contact your dealer or Gefen 4x1 DPKVM Switcher 1x6 ft DisplayPort cables 1x6 ft USB 2 0 cables A B 1x6 ft 3 5 mm mini stereo audio cables 1 x IR remote control unit EXT RMT 4IR 1 x 5V 4A DC locking power supply EXT PS54AULP 1 x Set rack ears 1 x Quick Start Guide vii 4x1 DPKVM Switcher Table of Contents 01 02 03 04 Getting Started Panel LQVOUE mec 2 grenier eem 2 Back Panel cacon eating 3 IR Remote Control Unit coopera ans 4 rojo PNE E A ea diante 4 sr TTT 5 Installingithe Battery a cec M repe ca Hen o teet ee ante 6 Setting the IR Channel aka 6 installation 7 Connecting the 4x1 DPKVM Switcher iii 7 Sample Wiring Diagrami sissi ire 7 Operating the 4x1 DPKVM Switcher
11. and 6 Set the Telnet listening port using the set telnet port command 7 Set he HTTP listening port using the set http port command 8 Reboot the switcher to apply all changes then type the IP address that was specified in step 3 in the Telnet client to access the switcher page 15 RS 232 IP Commands r activebolo display telnet welcome fadefault get indev name get outdev name help ipconfig irrmtadd resetip set http port set indev name set outdev name set pass set telnet port Set user name sgateway show pass show user name Show ver data sipadd snetmask stbymode use telnet pass Activates the boot loader Enables disables the Telnet welcome message Resets the routing state to factory default settings Retrieves the specified input device name Retrieves the output device name Displays the list of RS 232 Telnet commands Displays all TCP IP settings Sets the IR channel for the switcher Sets IP configuration to default settings Sets the Web server listening port Sets the name of the specified input device Set the name of the output device Sets the Telnet password Sets the Telnet listening port Sets the Telnet user name Specifies the new gateway Displays the current Telnet password Displays the current Telnet user name Displays the current hardware and firmware version Specifies a new IP address Specifies a new net mask Enables disables Standby Mode Tog
12. gles Telnet password prompt Switches to the specified input page 16 Advanced Operation RS 232 IP Commands activebolo The activebolo command activates the boot loader This command is use when upgrading the firmware See the Firmware Upgrade Procedure for instructions on upgrading the firmware Syntax activebolo Parameters None display telnet welcome The display telnet welcome command enables or disables the Telnet welcome message Syntax display telnet welcome paraml Parameters param1 Value O 1 Value Description 0 Disable welcome message 1 Enable welcome message page 17 Advanced Operation RS 232 IP Commands fadefault The fadefault command resets the routing to factory default settings This command is similar to the resetip command except that TCP IP settings are preserved Syntax fadefault Parameters None Example fadefault Return to factory default Route to input 1 get_indev name The taer indev name command retrieves the specified input name Use the set_indev name command to assign a name to the input Syntax get_indev name Parameters param1 Input 1 4 Example get_indev_name 1 Device input name Macbook page 18 Advanced Operation RS 232 IP Commands get_outdev_name The get_outdev_name command retrieves the output device name Syntax get_outdev_name Parameters None Example
13. irrmtadd paraml Parameters param1 IR channel O 3 Example irrmtadd 2 Set IR RMT 2 resetip The resetip command resets the IP configuration to factory default settings The switcher must be rebooted after executing this command Syntax resetip Parameters None Example resetip TCP IP configuration was cleared to default reboot to take efect page 21 Advanced Operation RS 232 IP Commands set_http_port The set_http_port command specifies the Web server listening port The switcher must be rebooted after executing this command The default port setting is 80 Syntax set_http_port paraml Parameters param1 Port 1 65535 Example set_http_port 82 New HTTP port set to 82 set_indev_name The set_indev_name command sets the name for the specified input The name of the input cannot exceed 15 characters in length Use the get_indev_name command to retrieve the specified input name Syntax set_indev_name paraml param2 Parameters param1 Input 1 4 param2 Name Example set_indev_name Macbook page 22 Advanced Operation RS 232 IP Commands set_outdev_name The set_outdev_name command sets the name for the input The name of the output cannot exceed 15 characters in length Use the get_outdev_name command to retrieve the output name Syntax set_outdev_name paraml Parameters param1 Name Example set_indev_name Macb
14. ling the Battery The IR remote control unit ships with two batteries Only one battery is required for operation The second battery is a spare WARNING Use only 3V CR2032 type batteries Risk of explosion if battery is replaced by an incorrect type Dispose of used batteries according to the instructions 1 Remove the back cover the IR Remote Control unit 2 Insert the included battery into the primary battery slot The positive side of the battery should be facing up 3 Replace the back cover NOTE An Activity Indicator that flashes quickly while holding down any one of the buttons indicates a low battery Replace the battery as soon as possible Setting the IR Channel In order for the included IR remote control to communicate with the 4x1 DPKVM Switcher the IR remote control must be set to the same channel as the switcher Use the irrmtadd command to set the IR channel of the switcher IR Channel DIP settings 0 ON default um 2 1 1 ON 1 2 2 ON 3 ON DIP switches S ai page 6 Installation Connecting the 4x1 DPKVM Switcher 1 Connect up to four DisplayPort source devices to the DisplayPort inputs on the back panel of the Switcher using DisplayPort cables 2 Connect a DisplayPort supported display to the DisplayPort output on the back panel of the Switcher Connect up to four USB host devices computers etc to the USB In ports Connect up to two USB devices mouse
15. make changes in the hardware packaging and any accompanying documentation without prior written notice 2015 Gefen LLC All Rights Reserved All trademarks are the property of their respective owners iv Operating Notes The 4x1 DPKVM Switcher supports pass through EDID The Switcher will use the EDID from the monitor connected to the output Dual Link resolutions up to 2560 x 1600 are supported HDCP content is not supported The 4x1 DPKVM Switcher does not support DHCP The default IR channel for both the Switcher and the IR Remote Control Unit is channel 0 See Setting the IR Channel for more information Licensing This product uses software that is subject to open source licenses including one or more of the General Public License Version 2 and Version 2 1 Lesser General Public License Version 2 1 and Version 3 BSD and BSD style licenses Distribution and use of this product is subject to the license terms and limitations of liability provided in those licenses Specific license terms and Copyright Notifications are provided in the source code For three years from date of activation of this product any party may request and we will supply for software covered by an applicable license e g GPL or LGPL a complete machine readable copy of the corresponding open source code on a medium customarily used for software interchange The following software and libraries are included with this product and subject to
16. nds to one of the push buttons on the front panel For our first example we will switch to Input 3 using the buttons on the front panel 1 Press button 3 on the front panel of the 4x1 DPKVM Switcher 2 The LED indicator for input 3 will glow bright blue on the front panel Press button 3 LED indicates that Input 3 is the active input page 10 Operating the 4x1 DPKVM Switcher Switching Sources Switching sources using the IR Remote Control In this example we will switch to Input 1 using the IR remote control unit Point the IR remote control unit at the IR sensor on the front panel of the 4x1 DPKVM Switcher If an IR Extender Gefen part no EXT RMT EXTIR is being used then point the IR remote control unit at the sensor of the IR Extender 1 Prress button 1 on the IR Remote Control Unit The Activity Indicator on the IR Remote Control Unit will glow yellow indicating that a button was pressed 2 The LED indicator on the front panel for Input 1 will glow bright blue LED indicates a button was pressed Press button 1 on the IR remote control unit IR sensor LED indicates that Input 1 is the active input page 11 03 Advanced Operation RS 232 and IP Configuration RS 2321nierface Pr mS RS 232 Settings IP Configuration RS 232 IP Commands Advanced Operation RS 232 and IP Configuration RS 232 Interface 54321 RS 232 Controller Switcher 0 0 JO u
17. ook set_pass The set_pass command sets the Telnet password The default password is Admin The switcher must be rebooted after executing this command The password cannot exceed 20 characters in length Use the show pass command to display the current Telnet password Syntax set pass paraml Parameters param1 Password Example fset pass reindeer Telnet password updated to reindeer page 23 Advanced Operation RS 232 IP Commands set_telnet_port The set_telnet_port command sets the TCP terminal server listening port The default port setting is 23 The switcher must be rebooted after executing this command Syntax set_telnet_port paraml Parameters param1 Port 1 65535 Example set_telnet_port 24 New Telnet port set to 24 set_user_name The set_user_name command sets the Telnet user name The user name cannot exceed 20 characters in length The default user name is Admin Use the show user name command to display the current user name Syntax fset user name paraml Parameters param1 User name Example set_user name Doc Holiday Telnet username set to Doc Holiday page 24 Advanced Operation RS 232 IP Commands sgateway The sgateway command sets the gateway address The gateway must be typed using dot decimal notation The default gateway is 192 168 1 254 The switcher must be rebooted after executing this command Syntax sgateway paraml
18. or long periods of time Refer all servicing to qualified service personnel Servicing is required when the apparatus has been damaged in any way such as power supply cord or plug is damaged liquid has been spilled or objects have fallen into the apparatus the apparatus has been exposed to rain or moisture does not operate normally or has been dropped Batteries that may be included with this product and or accessories should never be exposed to open flame or excessive heat Always dispose of used batteries according to the instructions 4x1 DPKVM Switcher Warranty Information Gefen warrants the equipment it manufactures to be free from defects in material and workmanship If equipment fails because of such defects and Gefen is notified within two 2 years from the date of shipment Gefen will at its option repair or replace the equipment provided that the equipment has not been subjected to mechanical electrical or other abuse or modifications Equipment that fails under conditions other than those covered will be repaired at the current price of parts and labor in effect at the time of repair Such repairs are warranted for ninety 90 days from the day of reshipment to the Buyer This warranty is in lieu of all other warranties expressed or implied including without limitation any implied warranty or merchantability or fitness for any particular purpose all of which are expressly disclaimed 1 Proof of sale may be requi
19. red in order to claim warranty Customers outside the US are responsible for shipping charges to and from Gefen Copper cables are limited to a 30 day warranty and cables must be in their original condition The information in this manual has been carefully checked and is believed to be accurate However Gefen assumes no responsibility for any inaccuracies that may be contained in this manual In no event will Gefen be liable for direct indirect special incidental or consequential damages resulting from any defect or omission in this manual even if advised of the possibility of such damages The technical information contained herein regarding the features and specifications is subject to change without notice For the latest warranty coverage information refer to the Warranty and Return Policy under the Support section of the Gefen Web site at www gefen com PRODUCT REGISTRATION Please register your product online by visiting the Register Product page under the Support section of the Gefen Web site 4x1 DPKVM Switcher Contacting Gefen Technical Support Gefen LLC c o Customer Service 20600 Nordhoff St Chatsworth CA 91311 Telephone 818 772 9100 800 545 6900 Fax 818 772 9120 Email support gefen com Visit us on the Web www gefen com Technical Support Hours 8 00 AM to 5 00 PM Monday Friday Pacific Time 4x1 DPKVM Switcher is a trademark of Gefen LLC Important Notice Gefen LLC reserves the right to
20. their respective open source licenses IwIP freeRTOS Query IwIP is licenced under the BSD licence Copyright c 2001 2004 Swedish Institute of Computer Science All rights reserved Redistribution and use in source and binary forms with or without modification are permitted provided that the following conditions are met 1 Redistributions of source code must retain the above copyright notice this list of conditions and the following disclaimer 2 Redistributions in binary form must reproduce the above copyright notice this list of conditions and the following disclaimer in the documentation and or other materials provided with the distribution 3 The name of the author may not be used to endorse or promote products derived from this software without specific prior written permission THIS SOFTWARE IS PROVIDED BY THE AUTHOR AS IS AND ANY EXPRESS OR IMPLIED WARRANTIES INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT INDIRECT INCIDENTAL SPECIAL EXEMPLARY OR CONSEQUENTIAL DAMAGES INCLUDING BUT NOT LIMITED TO PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES LOSS OF USE DATA OR PROFITS OR BUSINESS INTERRUPTION HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY WHETHER IN CONTRACT STRICT LIABILITY OR TORT INCLUDING NEGLIGENCE OR OTHERWISE ARISING IN ANY WAY OUT OF THE USE OF THIS SOF
21. ut Connects an audio output device using a 3 5mm mini stereo cable 5 DP Out Connects to a DisplayPort output display Ext IR Connect an IR extender Gefen part no EXT RMT EXTIR to this jack 7 USB In 1 4 Connects up to 4 USB host devices 8 USB Out 1 2 Connect up to 2 USB devices to these ports 9 RS 232 Connect an RS 232 cable from this port to an RS 232 control device This port provides remote control of the product from a remote location 10 Ethernet Connect an Ethernet cable from this jack to a network in order to control the unit using the Telnet feature o page 3 Getting Started IR Remote Control Unit Front e eMT 4I Activity indicator This LED glows bright orange when a key is pressed on the remote Source selection buttons Used to control features in the On Screen 1 2 3 4 Display see page 4 page 4 Getting Started IR Remote Control Unit Back shown with cover removed P N RMT 4IR www gefen com DIP switch bank Use these DIP switches to set the IR channel of the remote see page 5 Primary battery slot Holds the battery for operating the remote shown without battery Use only 3V CR2032 type batteries Make sure that the positive side of the battery is facing up Alternate battery slot Allows for the installation of secondary backup battery page 5 Getting Started IR Remote Control Unit Instal
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