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GS Yuasa GYT117 keypad and LEDs
1. UP ARROW - Press for 12 Volt batteries and to scroll to the
reference value (20 to 1,200 Siemens).
2. ENTER - Press to select the reference value, to start the test,
and to display conductance in Siemens (S).
3. DOWN ARROW - Press for 6 Volt batteries and to scroll to the
reference value (20 to 1,200 Siemens).
4. VOLTMETER - Press at any time to read DC Voltage.
The red LEDs above the keypad indicate the test mode and the
numerical value shown on the display (Voltage, Siemens, and
percent of reference). You can use the GS Yuasa GYT117 as a
Voltmeter at any point in the test procedure by pressing the VOLT
button.
Battery test procedure
1. Disconnect the battery from the system.
2. Connect the tester clamps to the battery terminals: red to
positive (+), black to negative (–).
3. Select the voltage by pressing the UP ARROW button for
12 volts or the DOWN ARROW button for 6 volts. Press ENTER.
4. Scroll to the reference value by pressing the UP ARROW or
DOWN ARROW buttons. Press ENTER. (The tester will default
to the last reference value entered).
5. Start the test by pressing ENTER. A series of dots will flash on
the display while the GS Yuasa GYT117 measures conductance
and Voltage, and calculates a percentage of reference.
6. The first value displayed is the percentage of reference.
7. To display the actual conductance value (S), press and hold the
ENTER button.
8. To display Voltage, press the VOLT button.
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