6511 CONTROL COMMANDNew2001Cmd. SubCmd. Data Description00 see the right Send frequency data for transceive01 02, 05, 06 Send mode data for transceive02=AM, 05=FM, 06=WFM03 see the right Read operating frequency04 02, 05, 06 Read operating mode02=AM, 05=FM, 06=WFM05 see the right Set operating frequency06 02, 05, 06 Operating mode selection02=AM, 05=FM, 06=WFM11 00/10 Send/read the attenuator functionsetting00=OFF, 10=ON (approx. 10dB)12 00/01 Send/read ANT selection0.495 to 1.620 MHz band:00=EXT, 01=BAR**“BAR” can only be selected in AM mode.Other frequency band:00=EXT, 01=EAR14 01 see p. 66 Send/read the volume level03 see p. 66 Send/read the squelch level15 01 00/01 Read the squelch status00=Squelch close, 01=Squelch open02 see p.66 Read the S-meter level16 43 00, 01, 02 Send/read the tone squelch setting00=OFF, 01=TSQL, 02=TSQL-R4B 00, 01, 02 Send/read the DTCS squelch setting00=OFF, 01=DTCS, 02=DTCS-RCmd. SubCmd. Data Description16 4C 00/01 Send/read the VSC function setting00=OFF, 01=ON19 00 Read the receiver ID1A 00 00/01 Send/read the AF filter setting00=Filter OFF, 01=Filter ON1B 01 see p. 66 Set/read TSQL tone frequency02 see p. 66 Set/read DTCS code with polalityD Data content description• Receive frequency (Command: 00, 03, 05)qXX X X Xw eXr tXX XX10 Hz digit: 0, 5*(depending on 100 Hz)1 Hz digit: 0 (Fixed)1 kHz digit: 0–9100 Hz digit: 0, 2, 5, 7100 kHz digit: 0–910 kHz digit: 0–910 MHz digit: 0–91 MHz digit: 0–91000 MHz digit: 0, 1100 MHz digit: 0–9* 0: When 100 Hz digit is 0 or 5, 5: When100 Hz digit is 2 or 7When the tuning step is selected 8.33 kHz (Air band),100 Hz digit, 10 Hz digit and 1 Hz digit can be set 3 or 6.■ Command table