Elecraft W2 Watt-meter Manual User Manual
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Place the 1/8” (2.9 mm) spacer under regulator U3 and temporarily secure it as shown in Figure 2. It is
important that the spacer stay in place so it won’t fall out later when you remove the screw to mount the bottom
cover.
Figure 2. Installing U3 Spacer.
Locate the display board assembly. Handle the assembly carefully to avoid misaligning the LED’s Check
the front panel board for a nylon screw at the two corners with its head toward the rear (side opposite the LEDs)
as shown in Figure 3. If necessary install a 2-56 5/32” (4.0 mm) nylon screw at each location. These screws are
inserted until the heads just touch the PC board. They don’t hold anything. When the W2 is fully assembled, the
heads of these screws serve as “bumpers” that press against 2D fasteners in the case to keep the front panel
board from flexing when buttons are pressed.
Figure 3. Nylon "Bumper" Screws in Front Panel Board.
Press one gray keycap onto each of the three pushbuttons on the front panel boar d (see Figure 4)
Figure 4. Installing Pushbutton Key Caps.