2. Preparation7*1 These settings will be cancelled the next time you display an image.*2 The zoom feature uses a digital zoom. As a result, the image quality of zoomed images is lower than widedisplay images.Switches (side)R In the following table, default settings are indicated by < >.*1 Settings are applied the next time main monitor is used.No. Item DescriptionL (VL-MV10EX2 only) Induction loop system with the hearing aid support symbol.M MRESETN button If the main monitor cannot be correctly operated, press the MRESETN buttonwith a pointed object to reset the main monitor. (Configured settings are notaffected.)No. Item Description SettingsN Receiver volume switch ( ) Can adjust the receiver volume during a call or whenthe main monitor is idle.R To adjust the receiver volume, slide the switch tothe desired setting.Top: Bottom: lowO Ringer volume switch ( ) Can adjust the ringer volume of incoming calls whenthe main monitor is idle. *1R To adjust the ringer volume, slide the switch tothe desired setting.– The volume for the door bell ring during a callwith the lobby station will be low regardless ofthe ringer volume switch setting.Top: Bottom: lowP Backlight compensationswitch ( )Can turn the backlight compensation on or off whenthe main monitor is idle. *1R To turn the backlight compensation on or off,slide the switch to the desired setting.Top: onBottom: Q Unlock time setting switch( )This setting is only configured by the installer.You can select the length of time control signals aresent to unlock the electric locks using a mainmonitor.(How long the entrance door remains unlockeddepends on each electric lock’s specification. Fordetailed information about setting configuration ofelectric locks, refer to the documentation includedwith the electric lock.)R To adjust the unlock time setting, slide the switchto the desired setting.From the top:7 seconds5 seconds3 seconds<1 second>