ASL INTERCOM F200, Quick Start Manual

Page: 26 / 73

4. Operating the F200
4.1 Instrument operating mode
The instrument has two operating modes:
!" the Temperature Measurement Mode which displays channel status information and a
sequence of measurement readings;
!"
the Configuration Mode which lets you set up and configure the instrument.
4.1.1 Temperature Measurement Mode
In temperature measurement mode the instrument function is controlled directly from the five function
keys.
4.1.1.1 Selecting thermometer input channel
Press the ‘ Ch ’ channel key to select the required input channel, the current selected channel number
is displayed on the main display.
4.1.1.2 Selecting differential input measurement
Press the ‘ A–B ’ key to select differential measurement.
Instruments with only two input channels available will automatically configure for Ch1 – Ch2
measurement.
Instruments with more then two input channels will display the differential channel selection menu.
Select the required ChA and ChB input channels using the appropriate soft key, ‘+’ increment channel
number, ‘–’ decrement channel number.
ChA: x ChB: y
– + – +
On completion of selecting the required channel numbers press ‘ Enter ’.
The selected channel numbers are displayed on the main display.
To cancel differential measurement press the ‘ A-B ’ key, a front panel LED indicates the current state.
4.1.1.3 Selecting relative temperature measurement
In Zero mode, the instrument displays subsequent readings relative to a fixed offset. Press the ‘ Zero ’
key the instrument stores the last reading as the fixed offset; this will be subtracted from all
subsequent readings. To cancel Zero mode press the ‘ Zero ’ key again, a front panel LED indicates
the current state.
Changing the display Units will automatically cancel Zero mode.
F200-14-001 Page 4-1
ASL 2003