Specifications

SG-231 MANUAL
SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA
© 11/00 SGC, Inc. P.O. Box 3526, 98009 Fax: [phone] Tel: [phone]
E-Mail: [e-mail] Website: www.sgcworld.com
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Quick Start Guide
To quickly install your antenna coupler you will need the following:
1. An HF/VHF radio with 3 to 100 watts output.
2. An HF antenna with a wire feed (not coax fed).
Minimum length of 7 feet (to 3.5 MHz) or 23 feet (1.8 MHz).
3. A good ground (counterpoise) for the antenna and coupler.
4. +12 VDC and ground for the coupler.
5. SmartLock Pro coupler controller (optional).
Connections:
Connect the Smartuner as shown in the following diagram:
Orange : Option A
Violet : Option B
Brown: Not used
Blue : Reset
White : Hold (Locks coupler settings)
Green : Tuned Indicator
Black : DC Ground
Red : +12 to 15 VDC
To SmartLock
Pro optional
GROUND (Counterpoise)
TO TRANSMITTER
(3 to 100 w)
ANTENNA
Single Wire
RG-58 COAX
Operation:
1. Turn on Radio. Apply +12 VDC power to the coupler.
2. As power is applied, coupler should make one “click” sound.
3. Coupler should come up in the bypass (un-tuned) state.
4. To tune, speak normally, whistle or use CW (CW is recommended).
5. Tuning should be done at full power. Clicking is heard.
6. When tuned, clicking stops and Green wire goes low.