System → Handset Settings → Programmable Keys → Line Key Settings → Line Key 1 → Value
User Settings → Progrm'able key → Line key → L1 Value
<hs_settings>
<idx id="x">
<pfk>
<line1>
<value>VALIDVALUE</value>
</line1>
</pfk>
</idx>
</hs_settings>
Programmable feature value on handset (L1 key).
1-12
1