GE DPI 610 IS, User Manual

Page: 19 / 68

5
K249 Issue No. 4
English
SOFT KEYS (Fig. 1)
Three soft keys, designated F1, EXIT and F2 , are situated immediately below the
display as shown below. These keys have their function allocated by the
instrument software which is indicated in the bottom of the display (Voltage for
F1
and Units for F2 in this example). They are used to select menu (program) options
and are fully described under the appropriate section headings.
CURSOR KEYS (Fig. 1)
The cursor keys consist of a block of four keys, arranged as shown in Figure 1.
They are designated
Up , Down , Left and Right . In programs where
options need to be selected from a list, (e.g.) the TASK selection program, the Up
and Down cursor keys are used to highlight one of the options, from which it can
be selected by the ENTER key. In TASK mode, where more than one page of
options are provided, the Left and Right cursor keys will switch between
pages.
INTRODUCTION Summary of Functions
Figure 2 - DPI 610/615 IS Calibrator Controls
Release Valve.
Releases system
pressure through vent
port. Use to gradually,
or completely reduce
pressure.
Vent Port
Select positive or
negative pressure
Cursor Keys
Soft Keys
F1, EXIT, F2
Electrical Inputs,
V, I, Switch
and mA sink
External Interfaces under flap
Power, RS232, External Transducer
Pump, pressurises
test port and
internal sensor.
Use to approximately
set output pressure.
Fine pressure adjustment.
Start with control screwed
out half-way to allow
fine adjustment
up or down.
Test port.
Connect to unit under test.
G1/8" coupling.
Use a sealing washer.
Hard keys
5