Fields at Work GmbH, Hegibachstrasse 41, 8032 Zürich, Schweiz
2019 Fields at Work GmbH, Zurich
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ExpoM - RF manual rev. 2.3
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2.1.
Multi-color LED
Status information about the operation of the device is given via the multi-color LED. The following
table shows an overview about the color code and its corresponding behavior.
Situation
Multi-color LED
Device initialization (after power on)
1. White flash immediately after switch is turned on;
2. Bluetooth init: Blue light for 2 sec;
only if Bluetooth is enabled
3. Successful initialization is signalized by a quick color sweep
After initialization ExpoM - RF switches over to measurement mode.
Measurement mode
Short red flash after each measurement. If GPS is enabled, an additional
green flash signalizes a successful GPS position fix.
Charging the battery
Continuous red light. Turns off as soon as the battery is fully charged.
Connection to PC
Continuous yellow light.
Bluetooth connection
Single blue flash: Bluetooth connection established
Double blue flash: Bluetooth has been disconnected
Marker button pressed
Blue light lights up for about one second
Initialization error at power on
Series of fast red flashes shortly after power-on. Device has to be restarted
using the ON/OFF switch.
3
Using ExpoM - RF
3.1.
Starting a measurement
As soon as the device is turned on by means of the ON/OFF switch it starts to measure and log the
data using the last device settings (described in paragraph 5 / Figure 6). The device can be turned
on and off at any time. When ExpoM - RF is powered on, the new measurements are appended to
the existing log file preserving all previously recorded data. The internal memory can only be cleared
using the ExpoM - RF Utility on the PC (see chapter 5).
Important notice:
During the measurement the device should not be hold in the hand and not be
placed on a metallic surface. Both can influence the receiving characteristics of the built-in antennas
and therefore influence the measurement. If it is required to use it as a handheld device, please
contact the distributor for an additional calibration (additional calibration will cause additional
costs).
Important notice:
The measured data is saved to the internal memory every 6 samples. Before each
memory access it is temporarily held in a volatile memory that is erased when the device is turned
off. It is therefore recommended not to switch off the device for at least 6 additional measurements
after the required time end point.
Summary of Contents for ExpoM - RF
Page 1: ...ExpoM RF User Manual ...
