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2-1
Section
Nomenclature
13
NPN: Z4LB-A
jj
40V2 (Amplifier)
PNP: Z4LB-A
jj
40PV2 (Amplifier)
LD ON indicator
(Laser emission
warning)
Display
Forced-zero
indicator
(p. 31)
Operating
mode selector
Discrimination
indicators
Operation keys
Measurement unit selector (p. 24)
Light/dark mode selector (p. 47)
Response time selector (p. 48)
OFF delay selector (p. 48)