General Specifications - Mackenzie MacFi-se User Manual

The MacFi-se version also includes the following features:
RS-232 (Serial) control of recording and playback
RS-232 (Serial) download of MPEG layer 3 (MP3), or WAV files.
Synchronization Relay
Front mounted controls
USB Memory Key Interface

GENERAL SPECIFICATIONS

Audio Coding:
Recording: MPEG 1, Layer 3 (128kbps)
Playback: MPEG 1, Layer 3 (any bitrate)
WAV (16 bit mono, 44.1kHz)
Audio Quality:
Dynamic Range: 80dB, Typical
Signal to Noise: 80dB, Typical
Frequency Resp.: 50Hz to 15kHz
THD: < 0.5% at 1kHz, Typical
Audio Input:
Line: 10k ohm, RCA
Mic: 1.5k ohm, 1/8" mini jack, Low Z
Level: +4dBm max., adjustable potentiometer
Audio Output:
Line: 600 ohm(+2dBm max.), transformer
isolated, RCA
Amplified: 4 watts into 8 ohm, 2 pin pluggable terminal
Level: Adjustable potentiometer
Audio Memory:
Type: SD Card
Capacity: 1GB minimum, 17+ hours of local record
USB Interface:
Type: Type A
Capacity: 4GB
Power Requirement:
Input Voltage: 12vdc
Current: 1 amp for Power Amp, 250mA w/o Amp
Connection: 2 pin pluggable terminal
Manual Control Interface:
Pushbuttons: Record, Start/Stop, Select, Sync.
LED's/Display: Overdrive, Audio Sense, Record Status,
Sync LED's, message number display.
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4. MacFi-se SERIAL PORT CONTROL
The MacFi-se includes an RS-232 (Serial) control port allowing
the unit to be manually or automatically controlled via ASCII
commands.
4.1 RS-232 (Serial) Command List
CMD Options
BAS [<+9 to -6>]
BBT
CFG
DIR
DEL [<1-99>]
DLD [<1-99>]
DLY [<0,+/-99>] (+=sec, -=min)
LST
PAS [<0,+/-99>] (+=sec, -=min)
PLS [<1-99>]
PLY [<1-99>,<1-99>,<0,+/-99>]
PRI [<1-99>,<E>nable/<D>isable]
REC [<1-99>,<1-99>,<0,+/-99>]
RST
SHP
STP
STS [<0>Off/<1>On]
SYS
TRE [<+9 to -6>]
ULD [<1-99>]
* = Confirmation Required
For more detailed information on the operation of the serial port,
please refer to the MacFi-se Enhanced Operation Addendum.
Description
Set Message Bass Level.
*Memory Bad Blocks Test.
*Restore Default Configs.
Directory of Message Priority.
*Delete Message.
Download MPG Message.
Delay Before 1st Play Start.
This Commands Listing.
Pause Between Play
Repeats.
Number of Plays per Trigger.
Play Message,Repeat,Delay.
Set Priority Message,Enable.
Record Message,Delay,Time.
Warm Reset System
*Init Configs & Erase
Messages.
Stop Message Playback.
Display Play Status
Messages.
Display System Information.
Set Message Treble Level.
Upload MPG Message.
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