Specifications

7. Connect your paddles to the PADDLE jack.

8. For Icom transceivers, open MK II and install the ICVOX jumper located behind

the PTT IN jack. Otherwise, connect your transceiver PTT Out (linear) to the

PTT IN jack using the supplied RCA to RCA cable.

9. If you use a foot switch, connect the foot switch to the FOOTSW jack.

10. If your transceiver's accessory port is capable of supplying +13.8 V at 500 mA, you

may install the DB37 Power jumper located in the right rear corner just in front of

the +13.5 V DC jack.

NOTE: Beginning with serial number 900, this header was converted to three

positions. Connecting the left pair of terminals selects the 1.38V power jack while

connecting the right pair of terminals selects power from the DB37 jack.

WARNING: DO NOT use DB37 Power input with Yaesu transceivers or if the

Accessory power is less than 12 Volts when transmitting (Elecraft K3).

11. Connect a 12 to 16V DC supply to the DC 13.8V jack.

Be sure to observe the proper polarity!

NOTE: DO NOT use the same power supply as the transceiver.

12. Locate but DO NOT connect the USB cable to the MK II at this time.

NOTE: If you will be installing on a Windows computer, skip to page 10.

Mac OS X INSTALLATION

1. Insert the microHAM CD in your CDROM/DVD

drive and navigate to Drivers/OS-X or use

your web browser to go to

http://www.ftdichip.com/Drivers/VCP.htm and

down load the latest driver image for OS-X.

2. Open FTDIUSBSerialDriver_v2_2_14.dmg by

clicking on it.

3. For OS-X 10.4, 10.5 or 10.6 open

FTDIUSBSerialDriver_10_4_10_5_10_6 and

follow the instructions to install.

4. Plug in the USB cable

5. Turn on the radio or external power supply.

6. Follow the instructions for your software to configure the application to work with microKEYER II.

NOTE: To access all the capabilities of microKEYER II, your OS-X software must be written to use the

microHAM Keyer Protocol or µH Router by Kok Chen, W7AY.