63-3. Description○1 Power lampThis lamp shows you the power supply to Amplifier.○2 Zero Hand-operated control volumeIt is a volume to control the offset of residual quantity after finishing the autozero control.Control range is within 1V.○3 Zero auto control switchUse this switch to carry out auto zero control.When this auto switch is pressed, “Auto” will appear on the LED and thenzero will be set.○4 L.P.F switchIt is a switch is to control the frequency of the active filter.The frequency of Cut-off can be controlled as in 10Hz, 100Hz, 1kHz, 10kHz,and WB(Wide-band).○5 GAIN control volumeIt is a volume to control GAIN and it can be continuously controlled as in 을from X1 up to X11 times.⑥ GAIN selecting switchIt is the switch to control GAIN and it can be controlled as in X1, X10, X100,X400, X1000 times.⑦ CAL Strain value switchIt is a shunt switch to calibrate the bridge in two different types - 200,and200strain.⑧ Power switchThis switch is to supply power to Amplifier.