Olympus nortec 600 - Alarm Menu - ALARM Key

DMTA-10040-01EN, Rev. E, February 2018
Control Functions 91
FINE
A grid with 13 horizontal (centered) and 10 vertical divisions is displayed.
The grid divisions furthest to the left and right are half the normal width.
COARSE
A grid with 6.5 horizontal (centered) and 5 vertical (centered) divisions is
displayed. The grid divisions at the top and bottom are half the normal width,
and grid divisions furthest to the left and right are one-quarter the normal
width.
WEB
Provides a polar grid.
ZOOM
Adjusts the viewable portion of the NORTEC 600 screen. The null-point area of
the instrument screen is magnified by applying a horizontal and vertical digital
gain of 10.
In ZOOM mode, all display functions are disabled, with the exception of ZOOM
OFF or ON.
To enable ZOOM, press the DISP menu key ( ) twice, followed by the E key.
With ZOOM highlighted, rotate the knob to turn Zoom on or off.
4.3.5 Alarm Menu — ALARM Key
Four types of alarms are available: box, polar, sector, and sweep. The alarm menu
controls the following functions:
1. Enable (ON) or disable (OFF) the alarms.
2. Determine the polarity of the alarm (positive or negative).
3. Enable or disable DWELL time (0 s to 10 s), which is the length of time the alarm
condition continues after the alarm threshold was first detected.
To access the alarm menu, press the ALARM menu key ( ). For additional
information, see “Alarm Menus” on page 292.