24
9 Remove the rust or wipe away the leakage.
Noise
9 Check if the circuit is spoilt, change the circuit.
9 Check if the connector is wet or rusty, change the connector.
Ring once then disconnect when receiving a call. Dialing function is still available
9 Check if connector is in a moist environment.
9 Check if too many extensions are used together or the quality of extension is not good enough, change the
bad extension.
LCD become dim
9 Check if LCD contrast is properly set or if the batteries are weak, adjust LCD contrast, if the LCD is still dim,
replace the batteries.
No ring
9 Check if the RING tone is in the OFF state, reset it.
Most of the functions failed
9 Check if the batteries are strong enough, change the batteries.
9 If batteries are ok, remove the battery, unplug the lines and reinstall after 10 minutes.
Note: Due to continuous product development, all features and specifications are subject to change without
prior notice.