Problem Cause & Solution PageImages displayed on thesub monitor distort or aredisplayed slowly. (It takes5 seconds or more to bedisplayed.)R The top part of the sub monitor (where the antenna is located) is beingcovered with your hand.→ Do not cover it.R The sub monitor is too far from the main monitor, or there is an objectsuch as a concrete wall obstructing the signal.→ Move the sub monitor closer to the main monitor or to an area thatdoes not have any obstructions.118*1 The wide/zoom setting is not available for the supplied doorphone (VL-V522L).RingtoneProblem Cause & Solution PageThe ringtone for thedoorphone does notsound.R The ringtone volume is muted.→ Activate the sound for the ringtone.R The sub monitor's batteries are discharged.→ Charge the batteries.23CallsProblem Cause & Solution PageSound cuts in/out orfades.R The area surrounding the main monitor, extension monitor, submonitor, or doorphone are noisy, causing the sound to cut out or fade.→ Try using the "Press-to-talk" mode.15R When talking with the sub monitor:The top part of the sub monitor (where the antenna is located) on thesub monitor is being covered with your hand.→ Do not cover it.11R When talking with the sub monitor:The sub monitor is too far from the main monitor, or there is an objectsuch as a concrete wall obstructing the signal.→ Move the sub monitor closer to the main monitor or to an area thatdoes not have any obstructions.If the sub monitor cannot be moved to another area, installing arepeater (additional accessory) may improve the signal.826Calls cannot be heardbecause of noise orfeedback.R Noise or feedback may occur when you are too close to the other party.→ Move away from the other party. -Your voice cannot beheard by the visitor butthe visitor’s voice can beheard.R You are using the "Press-to-talk" mode. ( is displayed on the mainmonitor/extension monitor and is displayed on the sub monitor.)→ When using the "Press-to-talk" mode, the visitor can hear yourvoice only while you are pressing M N.153211. Troubleshooting