Mackie HDR24/96 User Manual page 7

Recording can only take place on tracks which are
"armed" for recording. Press the Record Ready buttons to
arm tracks. When Record is engaged, you can punch
individual tracks in and out on the fly with the Record
Ready buttons. Their LEDs blink in standby and glow in
record.
Record Safe disarms all tracks and disables the Record
Ready and master Record buttons. Use Record Safe to
prevent users from inadvertently recording over existing
audio.
The monitor mode buttons determine what the user hears at the
HDR24/96 tape outputs.
All Input is used for rehearsal and level setting. When All
Input is on, both armed and unarmed tracks monitor their
tape inputs, and the Auto Input setting has no effect.
Auto Input is used for recording, and affects only tracks
that are armed. Unarmed tracks always monitor the
playback of previously recorded audio.
When Auto Input is off, armed tracks always monitor their
tape inputs.
When Auto Input is on, armed tracks monitor their tape inputs in
stop, fast forward, rewind, and record; in play they monitor the
playback of previously recorded audio. This mode is used for
overdubbing.
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13
REC
SAFE
ALL INPUT
AUTO
INPUT