Elecraft K3 Assembly Manual - Manual (Page 63)

62
Plug the noise blanker board into J77 and attach it to the standoff using the hardware shown in Figure 87.
Figure 87. Installing the Noise Blanker Board.
Battery BT1
Battery BT1 Description
BT1 is a 3-volt lithium coin cell that provides the operating voltage for the real-time-clock IC (RTC) on the
front panel when the K3 is turned off. Depending on the type of cell, BT1 could last from 2 to 10 years, thanks
to the extremely low current drain of the RTC – on the order of a few microamperes. The RTC keeps track of
the full date and 24-hour time, either of which can be displayed on the VFO B portion of the LCD.
Battery BT1 Installation Procedure
Insert the CR2032 cell into battery holder BT1 as shown in Figure 88.
Figure 88. Installing BT1.