7
WALL MOUNTABLE
It can be used as wall-mounted, and it can also be used for desktop.
NOTES
Please unplug telephone line and power (if any) when install or replace batteries.
MAINTENANCE
The unit must be placed in a dry and clean place to avoid the damage of the inner parts.
Use a damp cloth for cleaning. Do not use liquid cleaners or aerosol cleaners.
If the unit has troubleshooting, do not disassemble this product. Please send it to your local
customer service center or contact after service center of our company.
TROUBLE SHOOTING
? No voice
+ Check if the handset is on the phone or line is broken.
? Receive only
+ Check if P/T switch is properly set (Set the switch to proper position.)
? Battery rust or leak
+ Remove the rust or wipe out the leaking liquid.
? 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 (Chang the bad extension)
? LCD becomes dim
+ Check if LCD contrast is properly set or battery is in low-battery state. (Adjust LCD contrast,
if the LCD is still dim, replace the battery.)
? Most of the functions failed
+ Check if the battery is in low-battery state. (Change the battery.)
Battery is in normal state (Remove the battery, Unplug the lines and reinstall after 10
minutes)
Содержание Office KXT400
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