RKI Instruments Gas Tracer 10,000 ppm - Manual (Page 15)

10,000 ppm Gas Tracer Operator’s Manual Instrument Description • 8
LCD
A digital LCD (liquid crystal display) is visible through a clear plastic
window on the front of the case. The LCD display shows the gas
reading. The display also shows information for each of the Gas
Tracer’s program modes.
Control Buttons
Five control buttons are located below the LCD. They are arranged
around a central button, the POWER ENTER button. The DISPLAY
(ADJ) button is on the left, the RESET SILENCE button on the right,
the AIR▲ button on the top, and the (SHIFT)▼ is on the bottom.
Printed Circuit Boards
The Gas Tracer printed circuit boards analyze, record, control, store,
and display the information collected. The circuit boards are located
inside the case. They are not user serviceable.
Alarm LED Arrays
Three red alarm LED (light emitting diode) arrays are visible through
frosted plastic lenses in the case. One is on the top front, one on the
left side, and one on the right side. The alarm LED arrays alert you to
gas, low battery, and failure alarms.
Infrared Communications Port
An infrared (IR) communications port is located just below the RESET
SILENCE button. The signal goes through the control button material.
The data transmitted through the port is in standard IrDA protocol. A
computer’s infrared port or an IrDA/USB cable connected to a
computer’s USB port can be used to download data saved by the
Table 2: Gas Tracer Control Button Functions
Button Function(s)
POWER ENTER • turns the Gas Tracer on and off.
• used during setup and calibration.
RESET SILENCE silences the audible alarm
DISPLAY (ADJ) • enters instructions into the Gas Tracer’s microprocessor
AIR ▲ • activates the demand-zero function (automatically adjusts the
Gas Tracer in fresh-air conditions)
• scrolls through the settings modes
(SHIFT) ▼ • scrolls through the settings modes
• enters instructions into the Gas Tracer’s microprocessor