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8
KEYBOARD
AND
MENU
DESCRIPTION
Foreword
The instrument keyboard is composed of single-function keys, like the UNIT key, and double-
function keys such as the ON-OFF/Auto-OFF key.
In the double-keys, the function in the upper part is the “main function”, while the one in the bottom
part is the “secondary function”. When the instrument is in standard measurement mode, the main
function is active. In the menu or in conjunction with the FUNC key, the secondary function is
enabled.
The pressing of a key is accompanied by a short confirmation beep: a longer beep sounds if the
wrong key is pressed.
Note:
the instrument is fitted with internal pressure sensor with a fixed full scale.
If a SICRAM
PP471 module with TP704 or TP705 probe is connected, the internal sensor is disabled and
the display indicated pressure is that of the external probe.
All operations described below and relevant to pressure measurement, therefore apply to the
internal sensor unless the external PP471 module is connected
. Please see the paragraph
dedicated to calibration on page 14.
Each key specific function is described in detail below.
ON-OFF/Auto-OFF key
The instrument is turned on and off using the ON/OFF key. The turning on enables all display
segments for a few seconds, starts an auto-test including the detection of the possible probe
connected to the input, and sets the instrument ready for normal measurement. During the auto-test,
the serial number of the connected probe is indicated in the comment line: e.g.
"PRB1_SER_1234_5678" means the probe with serial number 12345678 is connected to the input.
If no probe is connected to central input, the "NO_PRBE_ SER_NUM" message appears for
a few seconds in the line for symbols.
When the probe is inserted into a functioning instrument, the "NEW_PROB_DET" (New
probe detected) message appears: as the probe's data are captured upon turning the
instrument on, it is necessary to turn the instrument off and on again.
Replace the probes when the instrument is off.
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