Emerson Rosemount 935 Reference Manual page 44

Maintenance instructions
May 2023
8.2.2 Signal verification
The signal verification check determines the proper operation of the open path. It checks
the alignment and cleanliness of the window or any problem in the transmitter or receiver.
Use the PC Host software to measure the signal verification.
8.2.3 Functional check of unit
The Rosemount 935 has been calibrated at the factory according to the user's specific gas
or vapor detection requirements. Use the check filters included in the commissioning kit
according to the corresponding calibrating gas to validate correct installation. Refer to
Functional check
CAUTION
Disable automatic activation and disconnect any external device that should not be
activated during the calibration check.
44
for instructions.
Reference Manual
00809-0100-4035
Emerson.com/Rosemount