Portaflow 222 & 333 User Manual
1.6
Keypad
The instrument is configured and controlled via a 16-key tactile membrane keypad, as shown in
Figure 5.
ON/OFF
Figure 6
Portaflow keypad
1.6.1
ON/OFF Key
The ON/OFF key is on the top left of the keypad. When turned ON an initialisation screen is
displayed on the LCD showing the instrument's serial number and software revision. Once this
appears, the instrument can be started by pressing the ENTER key once – the initialisation screen
is then replaced by the MAIN MENU which provides access to the remaining functions.
1.6.2
Dual Function Numerical Keypad
The block of keys shown in the centre of the keypad in Figure 5 are dual function keys. They can be
used to enter straight-forward numerical data within menus or provide quick access to frequently
used menus or commands from the Read Flow/Velocity/Energy display screens. There is a
distinction between short key presses (< 1.5 seconds) and long key presses (≥ 1.5 seconds). All key
press operations in this document are short key presses unless otherwise stated.
NOTE: SOME OF THE FEATURES ACCESSED BY THESE KEYS ARE UNAVAILABLE IN THE
PORTAFLOW MODEL 222 RANGE.
Key
Use
0
Circulate between flow, velocity and optionally energy screens (via a short press when
reading flow, energy or velocity), enter the zero-flow setting screen (long press when
reading flow), or freeze and un-freeze diagnostic values in the Diagnostic screen
1
PF333 models only: Display the Logger menu (see page 39)
2
Display the System Settings menu (see page 22)
3
Display the Output Board Setup menu (see page 42)
Page 10
Numerical keypad with
dual function keys
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ENTER
(SELECT)
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Issue 1.0 March 2021
Micronics
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