Alesis ALESIS M20 Time Code Tutorial, Maintenance and Troubleshooting, M20 Hidden Functions

	Table of Contents
16.3a SMPTE Chase Offset	5
16.3b Internal Generator ABS Offset	6
16.3c Tape Offset	6
16.4 SMPTE Time Code Rates and Types	7
16.4a Drop Frame	7
16.4b Auto-detection of SMPTE Rates	7
16.4c VITC (Vertical Interval Time Code)	8
16.4d MTC (MIDI Time Code)	8
Time Code Tutorial	1
17.1 Generating Time Code onto a VCR	1
17.2 Synchronizing Without a T/C Track	2
17.3 Recording a Time Code Track	3
17.3a Recording SMPTE from ABS Time	3
Maintenance and Troubleshooting	5
18.1 ADAT Head Cleaning	5
18.1a Head Cleaning Cassettes (optional)	6
18.1b Manual Head and Tape Path Cleaning	6
18.2 ADAT Head Life	7
18.2a Head Alignment	7
18.3 Tape Maintenance: Safe Tape	8
18.3a Tape Wear	8
18.3b Care of ADAT Tapes	8
18.4 Maintenance/Service	9
18.4a Exterior Cleaning	9
18.4b Maintenance	9
18.4d Obtaining Repair Service	10
M20 Hidden Functions	1
Power-On Button Combinations	1
Miscellaneous Button Combinations	1
Advanced Functions	3
Using The M20 Data Section Of Tape	1
General data section convention on the M20	1
M20 Locate Points and SMPTE Offsets	1
BRC ⇔ M20 Song Start / SMPTE Start Offset and Locate Point Map	1
BRC ⇔ M20 Parameter Map	2
M20 Transport & System Error Messages	1
M20 Major Feature Update: Version 2	1
RS-422 (Sony 9-pin) slave operation	1
RS-422 Track Arm: On/Off	1
RS-422 Mapping: 1-2, OddEvn, (Local)	1
ID 1 offline with the CADI remote	2
CADI Tape and Reference Counter indications when ID 1 is offline	2
Storing locate points when ID 1 is offline	2
Tape TC detection in fast wind modes	3
Tape TC in the Tape Counter	4
Fixed mode time code generation: “TC Start Ref: Fixed”	4
Digital Scrub: “Dig Scan: On/Off, nn dB”	5
I/O Card as the digital source	5
SMPTE Chase with the Stop button	5
Tape TC updating when in Input mode	5
Vari-Speed and Pull-Up/Down	5

ALESIS M20 REFERENCE MANUAL 1.06 v