External power for lower operating temperatures – GAI-Tronics 227-005 SMART Auto-Dial Handset Telephones User Manual
Page 20
This manual is related to the following products:
- 247-005 SMART Auto-Dial Handset Telephones 277-005 SMART Auto-Dial Handset Telephones 257-005 SMART Auto-Dial Handset Telephones 226-005 SMART Handset Telephones with Keypads 246-005 SMART Handset Telephones with Keypads 276-005 SMART Handset Telephones with Keypads 256-005 SMART Handset Telephones with Keypads