REED ST-8850, Instruction Manual, Page: 7 / 10

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9. DC. AC Output jack
Standard 3.5mm 3 pole coaxial output socket. Serves to supply .
AC signals and log-converted dc signals to external equipment.
OUTPUTS:
Two outputs can be accessed through a 3.5mm stereo phone plug refer.
DC OUTPUT:
Logarithmic signal: 10mV/dB
Impedance:
≤100Ω
AC OUTPUT:
Approx. 0.65Vrms corresponding .
to each range step.
Impedance:
≈100Ω
10. Calibration Potentiometer
The calibration potentiometer can be adjusted clockwise or .
counterclockwise to standard 94.0dB.
11. Tripod mounting screw
12. Battery Cover