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14
Menu Command Specifications
Request menu status (0x14)
Request which (if any) menu is open in the unit.
Example
Command/response sequence to request which menu is open where the ‘Trim’
menu is open:
Command:
0x21 0x01 0x14 0x01 0xF0 0x0D
Response: 0x21 0x01 0x14 0x00 0x01 0x03 0x0D
COMMAND:
Byte:
Description:
St
0x21
Zn
0x01
Cc
0x14
Dl
0x01
Data
0xF0 – Request the open menu state
Et
0x0D
RESPONSE:
Byte:
Description:
St
0x21
Zn
0x01
Cc
0x14
Ac
Answer code
Dl
0x01
Data
0x00 – No menu is open
0x02 – Set-up Menu Open
0x03 – Trim Menu Open
0x04 – Bass Menu Open
0x05 – Treble Menu Open
0x06 – Sync Menu Open
0x07 – Sub Menu Open
0x08 – Tuner Menu Open
0x09 – Network menu Open
0x0A – USB Menu Open
Et
0x0D
Request tuner preset (0x15)
Request the current tuner preset number. If the tuner is not selected on the
given zone an error 0x85 is returned.
Example
Command/response sequence to request the preset number where the present
number is 10 on zone 1:
Command:
0x21 0x01 0x15 0x01 0xF0 0x0D
Response:
0x21 0x01 0x15 0x00 0x01 0x0A 0x0D
COMMAND:
Byte:
Description:
St
0x21
Zn
Zone number
Cc
0x15
Dl
0x01
Data
0x01 – 0x32 (1-50) number of required preset.
0xF0 – Request the current preset number.
Et
0x0D
RESPONSE:
Byte:
Description:
St
0x21
Zn
Zone number
Cc
0x15
Ac
Answer code
Dl
0x01
Data
0xFF – Currently no preset selected
0x01- 0x32: (1-50) the current preset number.
Et
0x0D
Tune (0x16)
Increment/Decrement the tuner frequency in 0.05MHz steps (FM).
The returned frequency is calculated as follows:
FM freq. (MHz) = reported freq. (MHz)
FM freq. (kHz) =
reported freq. (kHz)
For these reasons, this command may return values that cannot be translated
into ASCII characters.
If the tuner is not selected on the given zone an error 0x85 is returned.
Example
Command/response sequence to increment the FM tuning from 85.0MHz to
85.05MHz in zone 1:
Command:
0x21 0x01 0x16 0x01 0x01 0x0D
Response:
0x21 0x01 0x16 0x00 0x02 0x55 0x05 0x0D
COMMAND:
Byte:
Description:
St
0x21
Zn
Zone number
Cc
0x16
Dl
0x01
Data1
0x00 – Decrement tuner frequency by 1 step.
0x01 – Increment tuner frequency by 1 step.
0xF0 – Request the current tuner frequency.
Et
0x0D
RESPONSE:
Byte:
Description:
St
0x21
Zn
Zone number
Cc
0x16
Ac
Answer code
Dl
0x02 (Data length)
Data1
FM: New frequency (MHz)
Data2
FM: New frequency (10’s kHz)
Et
0x0D