UNAOHM
EP2500 (Rev. 0)
19
7
OPERATING MODE
7.1
DEFAULT CONDITIONS
At switch-on, volume, brightness and contrast keep by default the same setting as when the instrument
was last turned off.
The other parameters (Band, frequency, attenuator, OSD etc.) may be customised as follows:
1.
Set the instrument as desired.
2.
Briefly press
RESET (14)
ONCE.
3.
Turn off the instrument.
Figure 5
shows the factory settings.
Figure 5
Factory setting on turn-on
7.2
ON SCREEN DISPLAY
Data and messages are displayed in OSD fashion. Pressing key
OSD (34)
alternates three display
modes: OSD against black background, OSD against no background, OSD off.
7.2.1
Screen Saver
Approximately ten minutes after the last key has been pressed, a moving “screen saver” message is
engaged. Pressing any key disables the screen saver.
7.3
VOLUME, BRIGHTNESS & CONTRAST ADJUSTMENTS
Pressing key
(5)
,
(6)
and
(7)
allows adjustment of volume, brightness and contrast by means of the Shaft
Encoder
(24)
. An indexed bar will appear on the bottom part of the screen to ease the adjustment. If the
adjustment is not carried out within 10 seconds, the instruments returns to the previous display.
7.4
USE of DIGIT KEYS, SHAFT ENCODER, ARROWS
for NUMBER ENTRIES
When using the instrument it is often necessary to key in numbers for instance, to recall a frequency.
This operation may be carried out by means of the digit keys
(8)
, and then by means of
↵
(21)
or the
Shaft Encoder
(24)
to confirm your entry.
Arrows and
(23)
select the digit being modified, while the Shaft Encoder
(24)
increases and
decreases the value to be set.
Turn on, spectrum, UHF band
600.00 CH 37 pr 00
HIGH SPANOFF M 20
BW W
MEA
EXP
TV
50.0 dBuV
