Tadiran Telecom FlexSet 280D - Flexset 280 D-Z (Zip Tone)

Product Features and Model Designations c FlexSet 120/280 User Guide
4 system defined (fixed)
programmable keys,
identical function to all
keysets in the system
Dial pad
(key pad)
Earpiece,
electronic
ringer
Headset
(purchased by the customer)
Microphone
Volume up/down,
adjusts headset levels;
ringer level, cadence;
scrolls display lists
Message waiting lamp
Display panel,
2 lines, 40 characters each
24 user programmable
keys with LED indicators
for dial number or
telephony features
FlexSet 280D-Z (Zip Tone)