Grounding; Coaxial C Able; Control C Able - OM POWER OM2000+ Manual

4.1. Grounding
The a mplifier h as t o b e g rounded p roperly! C onnect t he s crew o n t he r ear p anel o f t he a mplifier t o
your l ocal g rounding s ystem w ith a c opper c able; u se a c ross-­‐section o f 4 m m
Connect y our t ransceiver t o t he s ame g rounding s ystem o f y our s hack c arefully! U se m inimum l ength
cables and make certain that the connections are both physically and electrically sound. With poor
grounding, you may risk damaging your equipment, having problems with TVI/BCI or your
transmitted s ignal m ay b e d istorted.
4.2. Coaxial C able
The o utput o f t he t ransceiver i s t o b e c onnected t o t he i nput o f t he a mplifier v ia R G58 o r s imilar
cable. F or t he c onnection b etween t he p ower a mplifier a nd t he a ntenna, R G213 o r s imilar c oaxial
cable s uited f or h igh p ower i s r ecommended. A ll t he I NPUT a nd t hree O UTPUT ( ANT1, A NT2, A NT3)
SO-­‐239 s ockets w ith T eflon i nsulation a re u sed.
Rier v iew o f t he a mplifier O M2000+
F uses M ains P lug H F O utputs
Blower G rounding p oint C ontrol
4.3. Control C able
Control cable maintains TX / RX switching of the PA (TX GND). The cable is shielded. On the side of
the p ower a mplifier a C INCH-­‐socket i s u sed. O n t he s ide o f y our t ransceiver y ou h ave t o u se a s ocket
suitable for this transceiver. During transmitting the middle pin is connected to the ground. The
relays of the OM2000+ have to be switched earlier than HF is applied (cold switching). Modern
transceivers t hey h ave a t ime d elay b etween P TT s witching a nd p ower o utput.
CAUTION
H F I nput
2
at l east.
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