UNAOHM
14
EP2500 (Rev. 0)
5
CONTROLS and CONNECTIONS
To locate the position of the controls and connections refer to
Figure 1
,
Figure2
and
Figure 3
.
This chapter only offers a general description; each element will be described in detail in the section
related to its use.
5.1
FRONT PANEL
1.
Video screen.
2.
Analogue level measurement bar.
3.
dB REL
. Reference scale for the analogue level bar under 2).
4.
Multifunction keys (SOFTKEY)
F1
,
F2
,
F3
,
F4
. The specific function changes according to the
state of the instrument and is indicated on the right of the screen.
5.
. Enables the Shaft Encoder
(24)
to adjust the audio TV/SAT volume and that of the acoustic
tone which is proportional to the signal level.
6.
. Enables the Shaft Encoder to adjust the brightness.
7.
. Enables the Shaft Encoder to adjust the contrast.
8.
Numerical keyboard.
9.
Symbols relating to CATV, Terrestrial and Satellite bands.
10.
LED
ON
. Indicates power supply to the LNB is on.
11.
LED
CONT
. Indicates LNB current draw and therefore, its circuit continuity.
12.
LED
PWR ON
. Indicates the instrument has been connected to the power supply for operation or
for battery recharge.
13.
LED
BATT Ch
. Indicates that the battery is under charge.
14.
↓↓
RESET
. When pressed once it stores the status of the instrument which will be recalled by
default when the instrument is turned on (see section 7.1.). When pressed twice it sets the instrument
to a factory-set condition (default) (see section 7.5).
15.
AUTO
. Sets the attenuator to automatic mode.
16.
RF IN
input connector. For all types of signals. (TV, CATV, 1
st
IF satellite).
WARNING
! Do not exceed the maximum applicable voltage limits: AC 5V and DC 100V. Do not
apply DC when the LNB power supply is inserted.
17.
ATT+
. Sets the attenuator to manual mode and increases attenuation by 10 dB (unless maximum
attenuation has already been engaged).
18.
ATT-
. Sets the input attenuator to manual mode and decreases attenuation by 10 dB (unless it is
already set to zero).
19.
DATA
. Gives access to RS232 and Data Logger functions (see section 7.20).
20.
MENU
. Gives access to the configuration menus (see section 8).
21.
↵
. (ENTER).
22.
SOUND
. Enables the Shaft Encoder to select the audio satellite carrier. When pressed again, tuning
is enabled.
23.
. Arrow keys. To shift the cursor to the different digits of the number to program by means of
the Shaft Encoder.
1. The multifunction keys are shown inside a frame. Example: SPEC.
2. To roll the menus the Shaft Encoder may be used instead of the
UP
and
DOWN
keys.