ENMET PGD2 - Manual (Page 11)

ENMET Corporation PGD2
8
6.5 Menu facilities
The Menu button allows the instrument to be interrogated to obtain information on any of the items listed below. These are sequentially
selected by successive operation of button D: -
DATE / TIME
ADJUST SOUNDER
CALIBRATION DUE DATE
STEL & TWA VALUES
ALARM LEVELS
FLAMMABLE DISPLAY
SET LCD CONTRAST
PGD SERIAL No.
If more details are available on a particular item then the user is prompted to press one of the arrow keys as described in the following
sections.
Note that the instrument automatically returns to the gas level display after approximately 4 seconds if the menu button or arrow button
is not operated again.
6.6 Date / Time
The current date and time are momentarily displayed when the instrument is first switched on (Section 6.1) and may also be accessed
via the menu button (Section 6.5).
Changing the date and time can only be carried out via a PGD2 Interface Unit, Interface/Charger Unit or Autocalibration Unit. Refer to
the instruction manuals for the individual items for further details.
6.7 Adjust Sounder
The frequency and hence the volume of the sounder can be adjusted via the menu button. From the menu, the user is prompted to
press the up arrow key:-
Sequential operation of the up arrow key varies the frequency/volume. Pressing the right arrow key sequentially steps the
frequency/volume in the opposite direction.
6.8 Calibration Due Date
The date when the instrument is due for its next calibration can be viewed via the menu button (Section 6.5).
The PGD2 can be configured via the PC configuration software(optional accessory) to either allow an instrument to be used beyond it’s
calibration due date or to prohibit further use until calibration has been carried out. Where the instrument is set to permit further use, a
warning is given each time the instrument is switched on to alert the user that calibration is required. Where it is set to prohibit further
use, then when the instrument is switched on the alarm continually sounds with the message: -
The calibration due date is updated each time an instrument is calibrated.
ADJUST SOUNDER
PRESS [ ] KEY
CALIBRATION DUE