QSC ABX Comparator User Manual download pdf

The ABX Comparator can interface with a PC (personal computer) via the RS232 port (DB-9

connector) on the rear panel, next to the IEC power connector. The data transfer between the

ABX and the PC are as described below:

A. RS233 Port Setting:

9600 baud, no parity, 8 data, and 1 stop bit.

B. Key Control Codes:

Key Key

Abbreviation

Code(Hex) Char(ASCII) Decimal

AA35 553

BB36 654

XX37 755

Enter E 3D =61

Calibration C 32 250

Trial T 33 351

Scroll S 3C <60

Sleep (PC only) SL 38 856

C. Operating Transfer Codes:

All Operating Transfer Codes from the ABX to the PC have the prefix '8' as a control byte,

followed by the key code.

Function Code(Hex) Char(ASCII) Decimal Note

X_AMP is A 38 35 85 56 53 start Trial test

X_AMP is B 38 36 86 56 54 start Trial test

X_AMP is A 3D 38 35 =85 61 56 53 In Trial Test

X_AMP is B 3D 38 36 =86 61 56 54 In Trial Test

D. User Action Coders:

1. Power Up: Right after it is turned on, the ABX comparator runs a self-diagnostic

routine, during which it will usually send a “garbage code” message of “98 52H.” Make sure the

PC disregards this data.

PRELIMINARY

ABX RS232 Interface

Protocol

Date: 3/1/00, Rev. 01

Specifications / protocol subject to change without notice.

1 2 3 4 5 6 7 8

ABX RS232 Interface 1
Protocol 1

Summary of Contents

Page 1 - Protocol

The ABX Comparator can interface with a PC (personal computer) via the RS232 port (DB-9connector) on the rear panel, next to the IEC power connector.

Page 2

a. Using keypad, wired remote, or Infrared remoteSequence KeyPressABX Task ABX LCD Display Codes send to PC(Hex)1 None Ask for type of test Select Tes

Page 3

b. Using PC to control the ABXSequence PCControlCode(Hex)ABX Task ABX LCD Display ABX return codes toPC(Hex)1 32 Switch to calibration mode and startw

Page 4

9a A Switch to Review mode, and displaytest results.Results: 0 of 2,Or % correct!None9b B Switch back to Trial mode. No codesent to PC. No changes mad

Page 5

6 T If Trial key pressed during seq. #2through #4, no task done – remains inthe same position.No change 337 E If ENTER pressed while listening to unit

Page 6

5. Review Mode for power-level test:a. Using keypad, wire remote, or infrared remoteSequence KeyPressABX Task ABX LCD Display Codes send to PC(Hex)1 E

Page 7

6. Review Mode for line-level test:a. Using keypad, wire remote, or Infrared remoteSequence KeyPressABX Task ABX LCD Display Codes send to PC(Hex)1 E

Page 8

7. Sleep Mode: (Default setting: 60 minutes)After 60 minutes with no activity, the ABX comparator will go into sleep mode, turning offits LCD display

QSC ABX Comparator User Manual

Browse online or download User Manual for Network switches QSC ABX Comparator. ABX RS232 Interface Protocol

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