Elecraft KXBC3 User Manual Page 1

1Elecraft® KX3 KXBC3 NiMH Battery Charger and Real Time Clock Installation Instructions Revision A2, October 19, 2012 Copyright © 2012, Elecraft,

10Locate P3 on the control panel pc board. It is between the battery connector and the microphone jack on the end panel (see Figure 5). J2 on the K

11Secure the KXBC3 module as shown in Figure 7 using the new hardware supplied. Note: No lock washer is used under the 2-56 screw , even if one w

12 Reassemble the KX3 case halves and apply external power. Do not install the batteries yet. Turn the KX3 on (hold the BAND- and ATU TUNE switc

13Customer Service and Support Technical Assistance You can send e-mail to [email protected] and we will respond quickly – typically the same

2Setup and Operation If you haven’t already done so, follow the instructions starting on pg 5 to install your KXBC3 module. You must have firmware

3Charging Batteries For best results, use a set of cells of the same manufacture, age and mAH rating. Most cells will show some charge even when ne

4The KXBC3 charges at 200 mA throughout the charging time set, suggesting that 2000 mAH cells would be charged in 10 hours (referred in battery lit

5Installing the KXBC3 Module Preparing for Installation Preventing Electrostatic Discharge Damage ESD damage may occur with static discharges far t

6Tools Required 1. ESD Protection (see Preventing Electrostatic Discharge Damage, pg 1). 2. #1 size Phillips screwdriver. To avoid damaging screw

7Installation Procedure Taking ESD precautions, remove the KXBC3 module from its ESD-safe envelope and mount the nylon standoff as shown in Figure

8 Locate the area on the KXBC3 module marked “Affix Shield Here”. Peel the protective covering off of the adhesive on the back of the metal shield

9Carefully remove the two screws holding the battery retainer and lift the retainer free of the KX3 (See Figure 3). Be careful not to lose the lock