American Audio PSX - REV 1-2 Bedienungsanleitung PDF herunterladen (Seite 27)

Auto-muting

In CONFIDENCE MONITOR mode:

When switching A/D sync sources, the main outputs will automatically mute (both L and R, with no indication)

until the clock re-locks.

When switching D/A INPUT sources, the AUX and D/A outputs will automatically mute (both L and R, with no

indication) until the clock re-locks.

In DIGITAL COPY mode:

In digital copy mode, the digital source serves both clocks so all outputs will mute until the A/D sync and D/A

SYNC re-lock.

In ANALOG MONITOR mode:

In analog monitor mode, the selected A/D sync source serves both clocks so all outputs will mute until the A/D

sync and D/A SYNC re-lock.

Also, when locked to digital in, changing input format (e.g., pressing MDM IN, press & hold MDM IN, or chang-

ing DIP 8) will briefly mute those signal paths which use the digital input data.

Lock timing

The PSX-100 employs ‘smart synchronization’. When syncing to a new source, the processor measures the

incoming clock frequency. This processing causes a very slight delay in indicating LOCK when selecting a new

clock source.

Polarity Inversion

DIP switch 3 controls whether A/D input pin 2 or 3 is hot and jumpers control whether the D/A output is pin 2

or 3 hot. When setting the A/D section to pin 3 hot, remember that you will probably also need to set the D/A

section, using the output jumpers, to pin 3 hot.

MDM Channel duplication

In 44.1/48 kHz “normal” (non-ABS) operation, the left and right (L/R) channels of the PSX are duplicated across

all eight tracks of the MDM as follows:

ADAT CHANNELS 12345678

PSX-100 CHANNELS L R L R L R L R

• When in ABS (bit-splitting) mode at 44.1/48 kHz, channels 1-4 will be duplicated on channels 5-8.

Autoclear

If DIP switch 2 is down (OVER LED infinite hold), the autoclear function is active. This feature will clear the clip

(OVER) LEDs once the level has gone below –50dB for 30 consecutive seconds. The clip LEDs actually clear

when the level has once again gone above –50dB after it has been below –50dB for over 30 seconds. This allows

the user to know that there were OVERs during a certain pass because the clip LEDs will not actually clear until

new audio is received after the pause. This feature is designed so that, when going on to a new recording or

mix, the PSX-100 will not indicate a ‘false’ OVER from the last pass if the engineer forgot to clear the meters.

This feature acts independently on Left and Right channels.

Error Indications

Certain disallowed conditions are indicated by temporarily blinking LEDs. Note that some LEDs may blink at

power up: this is OK—the unit is configuring itself. Error conditions are detailed below:

PSX-100 User’s Manual

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American Audio PSX - REV 1-2 Bedienungsanleitung Seite 27