Daewoo DTC-250 Manual Del Usuario página 11

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ENG
R CALL TRANSFER FUNCTION
To transfer a call during a conversation to another phone number, press R key and dial
the desired destination number. When you here tone signal return the handset to the
base to fi nish the call transfer.
P-T SWITCH
Slide the mode switch to T(TONE) or P(PULSE) to select dialing mode.
ADJUSTING RINGING VOLUME
Slide the ringing volume switch to HI or LOW to select desired ringing volume.
WALL MOUNTABLE
It can be used as wall-mounted, and it can also be used for desktop.
LOCK
Turn the key to yellow point, all numbers are locked except emergency numbers.
Turn the key to green the numbers led by "0" will be locked so cannot be dialed.
Turn the key to red point of the lock all numbers can be dialed out.
TROUBLE SHOOTING
- No voice
Check if the handset is on the phone or line is broken.
- Receive only
Check if P/T mode is properly set.
Check if the unit is locked (use the key to unlock it).
- Noise
Check if the circuit is broken. (Change the circuit).
Check if the connector is moist or rust (Change the connector).
- Ring once then disconnect when receive a call. Dialing function is available
Check if connector is in a moist environment.
Check if too many extensions are used together or the quality of extension is not
good enough (Change the bad extension).
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