SB2122 User Guide
!Please ensure the phone is placed in a dry and ventilated place without corrosive air.
FEATURES：
•Pulse/Tone selectable
•Ringer Hi/Lo selectable
•Incoming calls LED indicator
•Pause, Flash, Mute and Redial function
| TABLE OF CONTENT |
PRODUCT OVERVIEW | 2 |
1. SWITCH OPERATION | 3 |
RINGER switch | 3 |
PULSE/TONE switch | 3 |
2. FUNCTION KEY OPERATION | 3 |
FLASH key (600ms) | 3 |
MUTE key | 3 |
REDIAL key | 3 |
PAUSE key | 3 |
4. ADDITIONAL NOTES | 3 |
INCOMING CALL LED INDICATOR | 3 |
TROUBLESHOOTING GUIDE | 3 |
DECLARATION OF CONFORMITY | 4 |
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