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7
When a continuous "on-grade" signal is achieved, press the ENT key. “CALC” will appear
in the display. Keep the instrument as it is until an error correction value appears. (If the
instrument was disturbed during the calculation, you will need to re-start the adjustment
process.) After a short time, “CAL END” will appear.
Note
• If the error is greater than the self-correction range, “E72” error code will dis-
play and LEDs will blink alternately. Contact your Topcon dealer.
"On-grade signal means X2 beam has been
adjusted to same elevation as X1 beam.
50m (160feet)
PRESS
ENTER
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