Ericsson DT590 manual Time slots

Reference

Performance
Stand-by time	up to 140 hours
Speech time	up to 20 hours
Charge time	4 hours maximum
Headset specifications
Microphone level range	From -43dB/Pa to -36dB/Pa
DC resistance	1.5 to 5 kOhm at microphone bias
	voltage 1.5V via 2.2 kOhm
Speaker impedance	> 30 Ohm
	Note: If a headset with a hook toggle
	switch is used, the microphone will
	be short-circuited when the switch is
	pressed.
Volume
Ringing signal	Nine-step adjustable volume
Earpiece	Ten-step adjustable volume
Ringing signals (defaults)
External call	0.4 s on, 0.2 s off, 0.4 s on, 5 s off
Internal call	1 s on, 5 s off
Callback	0.32 s on, 0.2 s off
Phonebook
Maximum name length	12 characters
Maximum number length	24 digits
Entries	max. 100 in the personal phonebook
External interfaces
Radio connection	DECT GAP/CAP, 1880-1900 MHz
	(standard), 1900-1920 MHz (China),
	1910-1930 MHz (Latin America), up to
	250 mW radiated power during 1 of the
	24 time slots
User interface	Display with two lines of
	12 alphanumeric characters and 7 icons,
	keys with text, volume keys on the side.
Accessory connector	For battery charging.

BusinessPhone – Cordless DT590 133