62
Other Procedures
E432 • Too dark.
• The brightness level sud-
denly altered during the
measurement.
E440 • The instrument is subject
to excessive vibrations or
hot conditions are pro-
ducing shimmer.
• The staff is stationary, or
the waving angle thereof
is insufficient when per-
forming Wave-and-Read
measurement.
E456
E457
• The staff height being
sighted is either less than
0.5m (too low) or greater
than 4m (too high) when
performing Wave-and-
Read measurement.
E458
E459
• The distance to the staff
is either less than 5m
(too near) or greater than
50m (too far) when per-
forming Wave-and-Read
measurement.
E498 • Measurement results not
obtained within 20 sec-
onds of starting Wave-
and-Read measurement.
Error Message Coded Message Meaning
• Coded messages are not displayed on DL-502/503 display.
• No error message displayed when compensation range (±15') is
exceeded.
Note:
DL502-503.book 62 ページ ２０１０年４月５日 月曜日 午前９時４７分
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