Topcom Butler 5750 - Manual (Page 35)

Eng
lish
24
Troubleshooting
11 Troubleshooting
12 Technical dataTechnical characteristics
Symptom Possible cause Solution
No display Batteries uncharged Check the position of the
batteries
Recharge the batteries
Handset turned OFF Turn ON the handset
No tone Telephone cord badly connected Check the telephone cord
connection
The line is occupied by another
handset Wait until the other handset
hangs up
The icon flashes Handset out of range Bring the handset closer to the
base
The base has no power supply Check the mains connection
to the base
The handset is not registered on
the base Register the handset on the
base
Base or handset do not ring The ringing volume is off or low Adjust the ringing volume
Not possible to transfer a call
on PABX The Flash Time is too short or
too long Change the Flash Time
Telephone does not react to
pressing the keys Manipulation error Remove the batteries and put
them back in place
Standard DECT(Digital Enhanced Cordless Telecommunications)
GAP (Generic Access Profile)
Frequency range 1880 MHz to 1900 MHz
Number of channels 120 duplex channels
Modulation GFSK
Speech coding 32 kbit/s
Emission power 10 mW ( average power per channel )
Range 300m in open space /50m maximum inhouse
Number of handsets Up to 4
Base powersupply 230V / 50 Hz / 6V DC 300mA
Handset Batteries: 2 rechargeable batteries AAA, NiMh 1,2V, 600mA
Handset autonomy 110 hours in standby
Handset talk time 11 hours
Normal conditions of use +5 °C to +45 °C
Dialling mode Pulse / Tone
Flash time 100 or 250 ms