Proxmark 3 Easy : LF Antenna is unusable

[Blok62]

Hello,

I have Proxmark3 Easy. When I execute hw tune, I have LF Antenna is unusable. Can you help me on this subject ?

Thanks

Please find below the details

[ Proxmark3 RFID instrument ]

MCU....... AT91SAM7S512 Rev B
Memory.... 512 Kb ( 53% used )

Client.... Iceman/master/v4.14831-414-g1818fc6b5 2022-03-07 10:26:02
Bootrom... Iceman/master/v4.14831-414-g1818fc6b5 2022-03-07 10:25:49
OS........ Iceman/master/v4.14831-414-g1818fc6b5 2022-03-07 10:25:56
Target.... PM3 GENERIC

[!!] No history will be recorded [usb] pm3 --> hw tune [=] ---------- Reminder ------------------------ [=] hw tune doesn't actively tune your antennas, [=] it's only informative. [=] Measuring antenna characteristics, please wait... [-] 9 [=] ---------- LF Antenna ---------- [!] LF antenna is UNUSABLE [=] ---------- HF Antenna ---------- [+] HF antenna: 32.27 V - 13.56 MHz [+] Approx. Q factor (*): 9.4 by peak voltage measurement [+] HF antenna is OK