ELECRAFT KBPF3 Spezifikationen PDF herunterladen (Seite 8)

Installing the Standoffs

Check the RF board that covers the bottom of the chassis area to see if the standoffs shown in Figure 2 are

installed. (Note that the stiffening bar across the top of the K3 chassis has been removed to show the standoffs

more clearly.) Do the following steps only if the standoffs are not already installed as shown. If the

standoffs are already in place, go directly to Installing the KBPF3 Board on page 10.

FRON

OF K3

KBPF 3 STANDOFFS

Figure 2. KBPF3 Standoff Locations.

Remove both bottom covers from the K3 by removing the screws shown in Figure 3.

SEE NOTE

NOTE:

THESE THREE SCREWS

ARE 1/4" (6.4 mm) LONG

AND HAVE INSIDE TOOTH

LOCK WASHERS UNDER

THE SCREW HEADS.

ALL THE OTHER SCREWS

ARE 3/16" (4.8 mm) LONG

AND HAVE NO LOCK

WASHERS.

REMOVE ALL THE

SCREWS INDICATED

AND LIFT THE

BOTTOM COVERS

OFF.

ESD SENSITIVE!

WEAR A GROUNDED

WRIST STRAP OR TOUCH

AN UNPAINTED METAL GROUND

BEFORE HANDLING THE RF BOARD.

Figure 3. Removing K3 Bottom Cover.

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ELECRAFT KBPF3 Spezifikationen Seite 8