EPD/HB/40521/000
ISSUE 5
EPD TECHNICAL HANDBOOK Page 10
3. confidence test sequence, see section 2.1.4 below.
If the confidence tests pass, the EPD default display will appear. The EPD default
display is preset at the factory to show Hp(10) (the penetrating or deep dose) or to
another default display as specified by the customer.
If a fault code is displayed, or the start-up sequence repeats, try a fresh battery. If
problems persist, refer to section 5.
2.1.4 EPD Confidence Test
The EPD has an built-in confidence test facility. This runs automatically at startup
following battery change. When enabled, this test can also be run at any time during
operational use as a check that the EPD is functioning correctly. The confidence test
is selected by scrolling through the EPD LCD displays to the CONFIDENCE TEST
menu (see Section 3.5.7). Throughout the confidence test the heart-beat (activity)
indicator flashes once per second. The confidence test can be stopped at any time
by pressing the button.
The confidence test sequence is as follows. This test sequence is automatic and
should be visually confirmed as each step initiated:
1. All segments of the display are activated for approximately 5 seconds. This
allows the user to check that all segments are functional (see Figure 3.2).
2. The alarm will sound and the LED will flash for approximately 2 seconds. This
indicates that the sounder and LED are functional.
3. The all-segment display will disappear. The alarm will continue to sound and
the LED will continue to flash, at an increased rate, for approximately 6
seconds. This indicates that all LCD segments can be turned off, and that the
tone frequencies are functional.
4. The all-segment display will reappear for approximately 5 seconds and the
LED will slow flash.
5. The all-segment display will disappear and the default display will appear. This
indicates that the confidence test has been successfully completed and that
the EPD is ready for operational use.
2.1.5 Issuing an EPD
In order to issue an EPD (i.e. assign it to a person) the EPD should be configured
with a numerical User ID and optionally with a User Name. There is a similar, but
To Next Page
Loading...
Need help?
General
