External power supply
Any 9-15V DC voltage or battery can be connect to (12VDC).It has a polarity protection
circuit.
Internal battery power supply
You can use any battery pack around 12V like our 18650 lithium battery pack.
Must use
special charger for lithium battery, must
not
connect regular DC external power supply when
lithium battery pack installed.
Headphones
Stereo headset will be connected to the headphone port(PHONE), impedance 8-32 ohm.
Antenna
Any resonant antenna can be connected directly to the antenna(ANT) with a BNC connector,
for non-resonant antenna you will need to insert an antenna tuner.
Key/Paddle
The EK-1A has an automatic function that determines what type of key is being used and is
initiated on power up. Will show up “Paddle” or “Hand KEY” on screen. Connect ring to paddle
dash or straight key's ground. Connect to sleeve paddle's ground. Tie ring and sleeve
together for straight key.
Must plug the straight key first before power up to activate.
Connect to Paddle dot or
straight key’s contactor
Connect to paddle dash or
straight key’s ground
Connect to paddle’s ground
or straight key’s ground