KYORITSU 3128 - Manual (Page 23)

KEW3128
19
KEW3128 4. Instrument Layout
4. 3 Test Leads
Line Probe (red)
Earth Cord (Black)
Guard Cord (Green)
Line Probe
w/Alligator Clip (red)
4. 4 Hard Case
Regulating valve is to balance the air pressure in the Case hermetically sealed
and external atmosphere for easy opening/closing of Case lid.
Do not force to turn it or remove it.
Depending on usage, either Line Probe or Line Probe with Alligator Clip is
connected to the Line terminal.
Regulating valve