Product Manual

20
6.6 Holding the horizontal angle value and set to
arbitrary value（HOLD）
⑴Holding the horizontal angle value
Press the HOLD key and release it，the buzzer will ring,
the LCD displays “Hold” at the last line. At this status
the horizontal angle reading remains unchanged when
you rotate the alidade. Press HOLD key again, and the
instrument returns to original status. The horizontal angle
will change when instrument is turned.
⑵Set horizontal angle to arbitrary value
Turning the horizontal tangent screw until the value that
you need is displayed，press the HOLD key and release
it. The angle value is held and hold message is
displayed. Turning the instrument and sighting the target,
press the HOLD key and release it again, the hold
function will release and you can go on the next
measurement.
Vz: 075°52′37″
H
R
: 175°12′03″
Hold
Vz: 075°52′37″
H
R
: 175°12′03″
Press R/L key
Press R/L key
Vz: 075°52′37″
H
R
: 175°12′03″
Flow chart for hold angle