Topcon BM-9A, Instruction Manual

Page: 34 / 53

32
- Measured value is used as reference data
1
Measure the luminance of the reference light source in luminance measurement
mode.
2
Press Hold button to fix the readout after readout is stable.
3
Press [SET] switch to enter the measured value as the reference data.
4
The entered reference data appears for 3 seconds.
5
Release Hold switch.
６
Press [
⊿
] switch or [
％
] switch to go to the difference or the percentage mode.
When correction factor is active, readout is multiplied by correction factor and
measured value.
・
Valid range of reference data is from 0.001 to 999,900.
・
When you enter [0] as reference data, an error [E7] appears on the display.
・
The reference data is stored in memory till turning off the power.
・
The reference data is initialized when turning on power.
Memo