Gxt Ferret 91 2-Channel Labscope Manuel d'utilisateur

1AutomotiveLabScope91OPERATOR’S MANUALTMAC AdapterInput (Optional)Channel 1,2,and CommonInputsOn/OffButtonRS232PortHelpButtonHoldButtonReferenceButto

10Sensor TestsThrottle PositionConnect COM probe to the sensor’s ground circuit, engineblock or negative battery post. Connect the CH1 probe tothe se

11Sensor TestsOptical (CKP/CMP)Connect COM probe to the sensor’s ground circuit, engineblock, or negative battery post. Connect CH1 probe tothe senso

12Sensor TestsHall Effect VSSConnect COM probe to the sensor’s ground circuit, engineblock, or negative battery post. Connect CH1 probe tothe cranksh

13Sensor TestsAnalog MAF Hot WireConnect COM probe to the sensor’s ground circuit, engineblock, or negative battery post. Connect CH1 probe tothe sen

14Sensor TestsActuator TestsIgnition PrimaryConnect the COM probe to a good ground source, suchas the negative battery post or engine block. Connect

15Actuator TestsThrot. Body Inj TBIConnect the COM probe to the engine block, or negativebattery post. Connect the CH1 probe to the injector controls

16Actuator TestsEGR Ctrl SolenoidConnect the COM probe to the engine block, or negativebattery post. Connect the CH1 probe to the solenoid/valve’s co

17Actuator TestsCanister Purge CtrlConnect the COM probe to the engine block, or negativebattery post. Connect the CH1 probe to the solenoid/valve’s

18Actuator TestsCommunication TestsSerial DataConnect COM probe to serial data ground circuit, engineblock or negative battery post. Connect CH1 prob

19Electrical TestsApply SwitchConnect COM probe to the switch’s ground circuit, engineblock, or negative battery post. Connect the CH1 probeto the s

2Specifications... 3Front Panel Controls ...

20Electrical TestsV Drop high currentConnect COM probe to negative battery post or portionof circuit closest to battery ground. Connect CH1 probeto g

21Electrical TestsMemoryThere are two memory locations in the LabScope thatcan be used to store acquired waveforms, setups, andother information relat

22RS232 CommunicationsThe Ferret 91 is equipped with an RS232 port for easy communication with a variety ofcomputers. WaveFile AutoPro™ is an automot

23Technical Support & ServiceOptions & Replacement PartsQuestions or inquiries about service can be answered by contacting Ferret at:(231) 627

3SpecificationsBandwidth 100 kHzChannels 2Voltage Ranges 0.5 V full scale to 100 V full scaleVertical Position Fixed with Offset (ground moved to cent

4ON/OFF To maximize battery life, the Ferret 91 includes an auto shut off feature. Ifno buttons are pushed for approximately five minutes (20 minutes

5External ConnectionsCOM Signal ground connection. Common for CH1 and CH2.CH1 Input for CH1 signal. AC coupled (DC Component of the signal is blocke

6Manual SetupUse the up/down arrow buttons to move the arrow to thedesired menu selection. The current selection for eachcommand is indicated by the

7COUPLING2: AC DCProvides same functions for Channel 2 as described for Channel 1 COUPLING. Whenin AC-coupled mode, a small sinewave appears in the l

8Sensor TestsABS Wheel SpeedConnect COM probe to the sensor “low”, “-”, or groundcircuit. Connect CH1 probe to the sensor “high”, “+” orsignal output

9Sensor TestsIntake Air Temp IATConnect COM probe to the sensor’s ground circuit, engineblock, or negative battery post. Connect the CH1 probeto the