Leica GPS1200 Series Technical Reference Manual page 1040

Reference Line
Description of fields
Field Option
<Offset Line:> User input
or <Offset
Arc:>
<Shift Line:> User input
GPS1200
CONT (F1)
To confirm the selections and to return to the
previous screen.
SHIFT CONF (F2)
To configure the reference line/arc. Refer to
"41.3 Configuring Reference Line".
Description
Distance to horizontally offset reference line/arc to
the left or right.
When an offset is applied to an arc the radius
of the arc changes.
Available for <Task: XX Line> unless <Heights: Use
Ref Line> in REFLINE Configuration, Heights
page. Distance to horizontally shift reference line
forward or back.
1040