methods to enhance optical performance of lenticular lens
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1. the One Plug Power should provide long life and capacity IF you properly care for the batteries You should charge the batteries properly Upon installation of the One Plug Power be sure to fully charge the battery pack USING THE FT 817 s INTERNAL CHARGER before using it to power the FT 817 Use the battery to power the FT 817 for normal operation but allow it to fully discharge FT 817 will turn itself off automatically Repeat this cycle two additional times full recharge and full discharge using the internal charger of the FT 817 Be sure to allow the batteries to rest for at least 30 minutes after charging or discharging USE ONLY SLOW CHARGING FOR THIS INITIAL CONDITIONING You can now use the batteries normally i e recharging before full discharge You should perform a full discharge recharge cycle at least every 10th time you do a partial recharge of the batteries BASIC CARE RULE DO NOT OVERCHARGE THE BATTERIES When using the internal FT 817 charger remember that it is a constant current timed device Two 8 hour cycles should be acceptable for the full recharge When using an external fast charger it should not require temperature sensing The Maha chargers mentioned above have been observed to work for this purpose W4RT Electronics does not specifically recommend sanction or approve any charger including those of Maha other than the W4RT One FAST Charger which was developed specifically for this battery pack It is solely the r2. W4RT Electronics ai 2500 mAh GENERAL One Plug Power Plus OPP is a custom add on accessory for the Yaesu FT 817 and FT 817ND instructions are the same for both the FT 817 and FT 817ND The OPP solves the tedious and annoying battery recharging process of either 1 using the internal FT 817 charger for about 18 hours or 2 having to open the battery cover door disconnect the battery pack from the radio connect to the external charger disconnect from the external charger reconnect the battery pack to the radio and replace the door One Plug Power Plus replaces your present battery pack battery cover door and electrical connector to the radio with an integrated power unit One Plug Power Plus installation is a snap 1 With the FT 817 power turned OFF and any external power supply disconnected remove your present battery cover door battery pack holder and disconnect it from the radio Insert the One Plug Power Plus battery pack and connect to the radio Drill hole in battery cover door if desired and replace door onto radio Close the battery cover door Insert supplied dust plug Se tS Be sure to take a good look inside your battery compartment it may be the last time With One Plug Power Plus you may never have to open the battery cover door again One Plug Power Plus offers you a number of advantages over the optional Yaesu NiCd Battery Pack or the Yaesu supplied Alkaline Battery Holder FBA 28 These include the
3. e cells and reduce the capacity and lifetime Read the Battery Care Section on the next page SLOW METHOD Use the FT 817 internal charger to recharge the OPP battery pack Set Menu 11 BATT CHG to select the charge time Use a 10 hr plus an 8 hr cycles WHEN the battery pack has been fully discharged i e the FT 817 has turned itself off because the voltage has dropped to about 7 2 VDC Use Operating Function CHG Row 11 to activate charging W4RT Electronics recommends that the external power supply attached to the FT 817 power plug comply with the Yaesu specifications The internal charger provides approximately 180 mA charging current when the input voltage is 13 8 VDC to the FT 817 If the supply voltage is lower then charge time increases significantly For example if the input voltage is 12 VDC the internal charger will provide about 100 mA NOTE 1 You may continue to operate the FT 817 normally while the battery pack is being recharged NOTE 2 The internal charger is a constant current circuit and is controlled only by the time you select Damage to the cell may occur if you improperly overcharge 4 FAST METHOD Use an external FAST charger to recharge the OPP battery pack An optional charging cable allows connection to the recommended W4RT One FAST Charger OFC Page 3 of 4 817 and the One Plug Power Plus jack The plug that mates with the One Plug Power Plus jack is a 3 8 x 1 3 mm plug center positive When you insert
4. ery cover door on the FT 817 battery compartment close the door and insert the dust plug if desired Turn the FT 817 over so that the front panel is facing you and the speaker is facing upwards Turn on the power and verify that the radio is operating Turn power off NOTE The battery is generally delivered in a discharged condition You are encouraged to properly condition your new One Plug Power Plus battery pack before regular usage in order to achieve maximum lifetime and capacity See subsequent section entitled Battery Care OPERATION OF YOUR ONE PLUG POWER Once you have installed One Plug Power Plus its operation is simple If you have the battery charged and no external power sources attached to the FT 817 then the FT 817 will operate as usual from the battery Unlike the Yaesu battery pack One Plug Power Plus provides charging alternatives for you READ 1 BATTERY CARE BELOW BEFORE OPERATING YOUR ONE PLUG POWER BEFORE ATTEMPTING TO FAST CHARGE WITH THE DOOR CLOSED REMOVE THE DUST PLUG if installed FROM THE DOOR STORE IT SO THAT YOU CAN INSERT IT INTO THE DOOR AFTER YOU HAVE COMPLETED CHARGING WHEN TO CHARGE THE OPP Although you may charge the OPP at any time it is recommended that you don t recharge the pack until itis at least 50 discharged A simple method to estimate this point is to charge only when the displayed voltage is less than 9 6 VDC Charging a near full NiMH pack can damage th
5. esponsibility of the user to select and use an appropriate charger In any case the charging current should not exceed about 2000 mA STORAGE NiMH batteries will self discharge over time much faster than alkaline batteries NiMH batteries can self discharge as much as 1 per day while the shelf life of alkaline batteries can be 5 7 years W4WB and AB4MT have experienced storage times of several months with the OPP 817 in their FT 817s however this time can vary significantly Note that the higher the capacity the greater the self discharge is typically Some FT 817 owners have reported storage times of just days with the OPP 817 installed in their FT 817 The most likely reason is that diode D1085 in their radio is defective which causes the battery drain to go from microamps to many milliamps This has been observed in various lot numbers of the FT 817 but Lot 21 seemed to have a remarkable number of defective diodes Two realistic options are available to resolve this problem First replace D1085 Second option is to insert the FAST Charge Cable into the FAST Charge jack of the OPP 917 This disconnects the battery from the radio also be sure that the other end of the cable is disconnected WARRANTY One Plug Power Plus is warranted for a period of one year from the date of purchase to be free of electrical defects in materials and workmanship however the battery pack is warranted for a period of 60 days If the One Plug Power Plus is determ
6. following e No permanent modification at all to the FT 817 is required e High capacity 2500 mAh NiMH battery pack e The radio amp battery are protected from over current conditions by self resetting fuses positive amp negative battery leads e OPP includes a self resetting thermal fuse 55 C tailored specifically for the FT 817 e Option Specially modified Yaesu FT 817 battery cover door e One time plug into the low life cycle FT 817 Molex connector e Power plug mounted on battery to allow for external fast charging and without opening the door if using a modified door e OPP fuses positive and negative leads provide protection even while using the external charger e External charging automatically removes radio from circuit for maximum protection of your FT 817 Internal FT 817 charger can still be used to charge the One Plug Power Plus battery pack INSTALLATION READ THESE INSTRUCTIONS COMPLETELYBEFORE DOING ANYTHING ELSE Turn OFF the FT 817 power Remove any external power source connected to the FT 817 Place the FT 817 with its bottom side facing up and the front panel facing you Open and remove the battery cover door Decide if you want to use the fast charge feature by opening the battery cover door or by plugging through a hole in the door If you want to use the door as is then go to Step 5 Otherwise use the OPP optional battery cover door OR drill the hole yourself using the following diagram Once t
7. he door is prepared set it aside a ae a Page 1 of 4 ee A 10 NOTICE Be sure that you have your battery cover door correctly marked BEFORE you drill the hole Locate the tiny Molex connectors that connect your present battery pack holder and the radio Carefully disconnect these connectors Remove the present battery pack holder from the FT 817 battery compartment Take the One Plug Power assembly and position it above the FT 817 battery compartment The figure below shows how the OPP is positioned once installed Read Steps 9 amp 10 before installing the OPP 1 WART Electronics NIMH 9 6V 2300 mAH NOTICE DO NOT use any conductive tool e g screwdriver knife in the installation of your OPP DO NOT insert anything into the OPP power jack other than the proper size and type plug If you violate these instructions you can damage the battery pack and the warranty will be void Carefully insert the OPP battery pack into the FT 817 battery compartment with the end of the battery pack having the FAST Charge jack facing to your left The battery pack slips under the right lip of the battery compartment Do not force Connect the tiny Molex connector from One Plug Power to the connector from the radio Position these cables on the shelf under the left lip of the battery compartment as illustrated in the next photograph Page 2 of 4 WART Electronics NIMH 9 6V 2300 mAH Carefully place the batt
8. ined to be defective the defective item will be repaired or replaced at the sole option of W4RT Electronics provided that the purchaser returns said item postage prepaid with proof of purchase to W4RT Electronics ATTN Technical Support 3077 K Leeman Ferry Rd Huntsville AL 35801 Include a description of the problem daytime phone number email address and return mailing information Any modification to the One Plug Power Plus or its cables or abusive charging or discharging of the battery pack by purchaser voids the warranty The warranty applies only to the original purchaser and is not transferable 12 September 2007 Copyright 2001 2007 by PanTechne Corporation All rights reserved W4RT Electronics W4RT One FAST Charger and One Plug Power Plus are trademarks of PanTechne Corporation Yaesu and FT 817 are trademarks of the Vertex Standard Co Ltd Page 4 of 4
9. the charging plug into the OPP jack the radio is automatically disconnected from the battery pack and the external charger is connected to the battery pack Your FT 817 is now protected from any charger problems that might arise If you use the W4RT OFC 817 the OPP will charge in about two and one half hours Fast charging time depends upon the characteristics of your charger The Maha MH C777 Plus or MH C888 chargers typically take over 4 hours to charge the OPP The W4RT OFC 817 also has been observed to pack more charge into the OPP than others do To operate the radio during charging you will need to use an external power source connected to the FT 817 rear deck power plug When charging is complete disconnect the charging plug from the OPP jack ATTENTION The jack and plug mate firmly Be sure to use your thumb to hold the door against the battery compartment as you pull the jack out You can now operate from the battery as usual Note that the OPP protects the FT 817 against over current situations during charging operation or short circuit by using self resetting fuses in both the positive and negative battery lines A specially selected self resetting thermal fuse to guard against over temperature conditions also protects the OPP battery pack Compare the protection One Plug Power provides with other battery alternatives You never have to replace fuses in the OPP they are self resetting BATTERY CARE The NiMH batteries used in
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