Leupold RX-2800 TBR/W Complete Operating Instructions page 17

For rifle users, scope adjustment or holdover information can also be displayed .
Available outputs are as follows: BAS outputs the equivalent horizontal range, MIL
displays the number of milliradians to holdover the intended point of impact and
MOA displays the minute of angle correction . TBR for rifle settings is effective
to 800 yards for most cartridges . For rifle users, TBR mode is comprised of five
functions: BAS, MIL, MOA and TRIG . One of these modes must
be selected . To select the desired function, rotate through the
TBR
output until TBR is reached (activate if necessary) . While the
TBR icon is highlighted and the word "SEt" is shown in the
upper display, pressing POWER repeatedly will scroll through
BAS, MIL, MOA and TRIG respectively; press MODE when the
desired function is displayed .
BAS displays the equivalent horizontal range, which is based
upon the ballistics group and sight-in distance you will choose
TBR
W
M O A
in a later mode . This is the range you will want to use when
YD
shooting, rather than the line of sight distance, which may
LOS
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contain gross errors depending upon the shot angle . Readings
will be displayed with equivalent horizontal range in the lower
portion of the display .
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