Yes, but in most cases, the DB30 adapter from Garmin AT is necessary. The SL30 does not output a standard DME format in relation to most vintage and standard DME systems. The DB30 takes the format from the SL30 and allows for the interface to King and Collins DME units. Some of these interfaces include BCD, 2x5 code, and Slip Code. It should be noted that the DB30 2x5 tuning interface is not compatible with the ARC/Cessna RTA-476A or Narco DME transceivers.
The MD200-306 is the recommended indicator to be interfaced to the SL30 Nav/Comm for VOR/LOC/GS deviation. The MD200-306 also includes a Back Course annunciator that will function with the SL30 radio.
KN-53 Nav:
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KY-196A Comm:
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KX-155 Nav/Comm:
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Navigation (Nav) and Communication (Comm) radio receivers and transceivers are available as separate, individual radios or as a combined Nav/Comm unit.
A Nav/Comm unit is sometimes more economical in price than the 2 separate Nav and Comm radios and usually requires less panel space.
Obviously, one disadvantage to the combined Nav/Comm unit is in the case of unit failure you lose both nav and comm functions since the entire unit is removed.