JRC JMA-5212-4/6 User Manual page 240

Figure 4.3
It is also possible to use EBL1 instead of EBL2 in measuring the bearing and range
between two optional points.
In this case, read EBL2 as EBL1 and VRM2 as VRM1 in the procedure above, point the
cursor to C of EBL2 in step 2, and then press [ENT] key.
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