Sensor Calibration - Covidien Valleylab LS10 Service Manual

Optional Service Applications

Sensor Calibration

Perform the Sensor Calibration if the generator fails the Output or Power Curve check.
Remove the USB port cover on the rear of the generator.
1.
Connect the AC cable to the generator and power on the generator.
2.
Connect one end of the USB A to B cable to the USB port on the rear panel of the
3.
generator (located behind the removable USB port cover).
Connect the other end of the USB A to B cable to a computer.
4.
Launch the terminal emulation program on the computer. Configure the terminal
5.
emulation program to: baud rate of 115200 bps, 8 data bits, no parity, 1 stop bit and
no flow control.
Hit Enter. This starts Generator Service mode.
6.
From the VLLS10GEN>> prompt, select Test Functions from the four options.
7.
From the Test Functions>> prompt, select Calibrate Sensors from the ten options.
8.
At the Calibrate Sensors>> prompt, using test leads 150 mm (6 inch), connect a 20
9.
load and a True RMS Meter/Current transformer to measure output current. Press Esc
to return the previous menu or to halt the test.
Activate the generator by pressing the Space key.
10.
The generator is now delivering RF energy; follow the warnings/precautions at the
11.
start of this section. Record the current being delivered to the load. Press any key to
halt the test or to stop energy delivery.
At the prompt, enter the output current recorded in the previous step in milliamperes.
12.
Type the current into the terminal and press Enter.
Disconnect the 20
13.
Activate the generator by pressing the Space key.
14.
The generator is now delivering RF energy; follow the warnings/precautions at the
15.
start of this section. Record the current being delivered to the load. Press any key to
halt the test or to stop energy delivery.
At the prompt, enter the output current recorded in the previous step in milliamperes.
16.
Type the current into the terminal and press Enter.
Disconnect the 10
17.
Activate the generator by pressing the Space key.
18.
The generator is now delivering RF energy; follow the warnings/precautions at the
19.
start of this section. Record the current being delivered to the load. Press any key to
halt the test or to stop energy delivery.
At the prompt, enter the output current recorded in the previous step in milliamperes.
20.
Type the current into the terminal and press Enter.
3-18
load and connect a 10
load and connect a 5
Valleylab LS10, LS Series Single Channel Vessel Sealing Generator Service Manual
load.
load.