7 Unit menus
Configuration of your P1 phono stage is accomplished by setting up parameters in the Menu mode (see chapter 6 on how to access
the Menu mode and how to navigate through menu items).
Please note that configuring your P1 can easily be done on a tablet using the CH Control Android App. Please refer to chapter 5.4
for more information about how to link the P1 to your tablet. Besides, for more information about the CH Control App, please visit
our Facebook page (www.facebook.com/chprecision) where you can watch a video describing the main functionalities of the App.
There are six main menus used to configure the P1:
AUDIO SETTINGS: Allows to adjust audio related parameters
DISPLAY SETTINGS: Allows to adjust the front panel display related parameters
SHORTCUTS: Allows to assign and modify Shortcuts for user interface customization
FACTORY SETTINGS: Indicates the software version and allows to update it. Also allows to return to default factory settings
and run setup wizards
INSTALLED BOARDS: Indicates which boards are installed and what audio channel they refer to
NETWORK: Provides information about the network setup and enables its configuration
7.1 AUDIO SETTINGS menu
PARAMETER PARAMETER VALUES REQUIRED OPTIONS REMARKS
MUTE Muted
Unmuted
None None
SUBSONIC FILTER
(individually
selectable for each
input)
Off
On
None None
EQUALIZATION CURVE RIAA
eRIAA
EMI
COLUMBIA
DECCA
TELDEC
None
None
EQ Option board
EQ Option board
EQ Option board
EQ Option board
RIAA and eRIAA equalization curve are available as
standard.
Enhanced RIAA (eRIAA) adds the unofficial
Neumann time constant to the standard RIAA curve.
Four more equalization curves can be selected if the
optional EQ board is loaded on the phono boards.
INPUT GAIN
(individually
selectable for each
input)
+35 dB
+40 dB
+55 dB
+60 dB
+65 dB
+70 dB
I/V + 0 dB
MM/MC voltage input
MM/MC voltage input
MM/MC voltage input
MM/MC voltage input
MM/MC voltage input
MM/MC voltage input
MC current input
+35 dB and +40 dB are usually used for MM
cartridges connected to the MM/MC voltage input.
+55 dB to +70 dB are usually used for MC
cartridges connected to the MM/MC voltage mode
input.
I/V + 0 dB to I/V + 25 dB are used for low internal
26 P1 User Manual Rev 1.1
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