General rs-232 commands – Contemporary Research 232-FMA User Manual

Page 8

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Contemporary Research

8

232-FMA FM Stereo Tuner

General RS-232 Commands

TT=

Select tuned frequency

Example:

>TT=94.5

87.7-108.0

Selects preset 94.5, if currently stored as a Preset

TC= Force tuned frequency

Example:

>TC=101.9’

87.7-108.0

Selects preset 101.9 regardless of current Presets

TP

Set to previous preset

Accesses previously selected frequency

TU

Tune channel up

Example:

>3TU’

Selects next higher channel in stored Tune Ring

Bumps Unit#3 to next higher preset

TD

Tune preset down

Selects next lower preset.

T+

Tune frequency up

Selects next higher frequency (depends on S0 setting).

T-

Tune frequency down

Example:

>T-

Selects next higher frequency (depends on S0 setting)

Bumps frequency down one step (200 or 100 KHz).

TS= Set Preset

Example:

>TS=1

Set current frequency as Preset 0 – 9

Sets current tuned frequency as Preset 1

TG= Recall Preset

Recall preset by number 0 – 9

T!

Delete Presets

Deletes all presets

XT

Toggle Mute A/V

Alternates Mute A/V on and off

XX

Mute A/V off

Turn A/V outputs on at previous level

XM

Mute A/V on

Example:

‘>XM’

Mutes A/V outputs

Mutes audio and video outputs

VX

Volume Mute off

Restores audio volume to previous level

VV

Stop volume ramp

Stops volume ramping

VT

Toggle Volume Mute

Alternates audio mute on and off

VM

Volume Mute on

Example:

>VM’

Turns off audio outputs

Mutes audio outputs

S0= Set tune mode

0=Odd frequencies only (200KHz steps - U.S. - default)

1=Even and odd frequencies (100 KHz steps - international)

S4= Set front panel lockout mode

0=None

1=Preset

2=Seek

3=Preset & Seek

4=Mute A/V

5=Preset &Mute A/V

6=Seek & Mute A/V

7=All

S5= Power-up volume

0=restore to previous level

1-63= Restore to preset volume level (1 min, 63 max)

S7= Set audio mode

Example:

>S7=2

0=Mono/Local

1=Stereo/Local (default)

2=Mono/DX

3=Stereo/DX

Sets audio mode to mono/DX

ST

Request Channel status

Example:

‘>ST’

Unit sends “T” Frequency/Source status string

Returns Frequecy/Source status response string

SV

Request A/V status

Unit sends “V” Audio status string

SS

Request Front Panel status

Unit sends “S” Front Panel status string

Preset frequencies act similar to a video tuner Tune Ring, after the last preset is selected (Preset 9), the next

Preset Up command will start at the lowest Preset (0). While the 232-FMA has only audio outputs at present,

we have kept the Mute A/V commands to be consistent with programming and operation for the 232-STA and

232-MTA TV Tuners.

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