Operation Manual
Table Of Contents
- Welcome
- Table of Contents
- Important
- Description
- Incoming Calls
- Outgoing Calls
- During Calls
- Call Forwarding
- Information
- Internal Messages
- Mailbox System
- Hot Keys
- Group Facilities
- Other Useful Facilities
- Security
- Least Cost Routing
- Phone Book
- Settings
- Audible Adjustments
- Tones and Signals
- Useful Hints
- Installation
- Troubleshooting
- Glossary
- Index
- Voice Guide
Installation
BusinessPhone – Cordless DT400/DT410/DT420/DT43090
DT430
The DT430 telephone is designed for usage in rough environments.
This Cordless is safe to use in explosion risk environments (EX-
classification) and therefore is equipped with a special battery.
Removing and fitting the battery for intrinsically safe
phones
To remove and fit the battery, you have to use the screws at the
back of your phone, as shown below. You do not have to use the
ordinary plates to release and fasten the battery.
Use the screws on the back of the battery
Battery performance
All Cordless are supplied with a high capacity nickel metal hydride
(NiMH) battery. The table below indicates the performance.
Screws to unlock or fasten
Talk tim e
(hours)
Standby time
(hours)
Charge time
(minutes)
High capacity
NiMH battery:
10 100 60