2018-10-05 | Technical improvements, changes in design, printing- and other errors expected.
9
Changing the password:
Please change the password immediately after the first commissioning and choose a sufficiently safe
password. Keep this password at a safe place.
Menu item:
System
>
Set password
(see 3.6.6 on page 19).
Notes:
∂
If the browser is closed while you are still logged in, an automatic logout occurs 2.5 minutes later.
∂
If the browser window stays open, there is no automatic logout. It allows monitoring the installation via
the web browser.
3.2.
RF settings
Click
RF
on the main menu.
HKM 40-00:
Depending on the modulator selected, the
RF PARAMETERS
for DVB-C or DVC-T are
displayed (how to select the modulator type is described under 3.6.7 Modulator Type on page 19).
HKM 40-00:
The
RF PARAMETERS
for DVC-T are displayed.
3.2.1.
DVB-C (HKM 40-00 only)
Make a pre-selection using the
Country
and
Area
menus.
Depending on the selection made, the country-specific channels are displayed in the Frequency field.
Select an output level of 85 ... 105 dBµV in the
Output level
selection field.
The symbol rate between 1000 and 7500 can be freely set in the
Symbol Rate
field. The default value is
6900. Some networks also work with 6875. If working with only 7MHz bandwidth, a symbol rate of 6111
is in use.
In the
Constellation
selection field, select the desired output modulation (QAM 16/32/64/128/256).
QAM256 provides the highest data transfer rate, but also requires the best network quality.
The
IQ swap
option enables or disables the inverse phase rotation of the IQ signal by exchanging the I
and Q inputs.
Click
Safe Settings
to save your settings.
