User guide

13
Selecting the Input Phase Position
The FIRNET lets you set each input’s phase position
to 0° or 180° for incoming audio signals. To do this,
press the DELAY/PHASE key and then the
RS
keys to select the menu option Phase (press the
S
key once). Press the ENTER key and then the
RS
keys to select the menu option Input Phase, if not
already selected. After pressing the ENTER key, use
the
RS
keys to select an audio input (Input A or
Input B) and the
QP
keys to select the desired
phase position, 0° or 180°, for this input. Then
press the ENTER key to confi rm and assign this
phase position.
Selecting the Output Phase Position
The FIRNET also lets you set each output’s phase
position to 0° or 180° for outgoing audio signals. To
do this, press the DELAY/PHASE key and then the
RS
keys to select the menu option Phase (press
the
S
key once). Press the ENTER key and then the
RS
keys to select the menu option Output Phase
(press the
S
key once). After pressing the ENTER
key, use the arrow up and down keys to select an
audio output (Output A to Output D) and the
QP
keys to select the desired phase position, 0° or
180°, for this output. Then press the ENTER key to
confi rm and assign this phase position.
7.4.5. Admin - Adjusting the
Remaining Parameters
7.4.5.1 Key Lock – Preventing
Unauthorized Access
Locking Keys
You can lock the FIRNET controller’s keys to prevent
unauthorized access and unintentional editing. To
lock keys, press the ADMIN key to access the Admin
menu. Use the
RS
navigation keys to select the
menu option Keylock (if not already selected) and
press the ENTER key. The LCD now reads Activate
Keylock? and prompts you to enter a password (23).
Use the
QP
navigation keys to select the number
23 and press the ENTER key.
Unlocking Keys
To unlock keys, press the ADMIN key to access
the Admin menu. Keylock is the only menu option
available, so simply press the ENTER key to
confi rm. The LCD now reads Deactivate Keylock?
and prompts you to enter a password. Press the
ENTER key in the key navigation cross to select the
password, which is 23.
Enter the password by pressing the
P
key, and
then press the ENTER key to unlock the keys. If you
select the wrong password, you will be returned to
the Keylock function’s selection menu.
7.4.5.2 Input Options
Input Assign
Selecting Separate or Linked Audio Circuits for
Inputs A-B
Access the Admin menu by pressing the ADMIN
key. Use the arrow keys to select the input menu
option Input Options and confi rm your selection
with ENTER. Select A/B or Link for the menu option
Input Assign and confi rm your selection by pressing
the ENTER key.
Input Source
Selecting an Analog or Digital Input
Access the Admin menu by pressing the ADMIN
key. Use the arrow up and down keys to select the
menu option Input Options (press the arrow down
key once) and press the ENTER key. Now use the
arrow up and down keys to select the submenu op-
tion Input Source (press the arrow down key once)
and the left and right arrow keys to select an analog
(Analog) or digital (AES/EBU) input. Then press the
ENTER key to assign the selected input.
Sampling Rate - Digital Clock Source
Setting the sampling frequency and the digital
AES/EBU input
When addressing the FIRNET via the digital input,
you can chose between two sampling rates, 48 kHz
or 96 kHz, for the digital audio signal. The FIRNET
always works with an internal sampling rate of 96
kHz. If you patch in a digital audio signal with a
48-kHz sampling rate, the FIRNET converts it to
96 kHz.
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