13.OK: OK key. In the DTV and DVD state, press this key to confirm the selected item.
14.VOL-: Volume Decreasing key. In power-on state, press this key to decrease volume; when entering analogue adjusting menu, press this key to adjust analogue decrease; in the DTV and DVD state, press this key to select left.
15.VOL+: Volume Increasing key. In power-on state, press this key to increase volume; when entering analogue adjusting menu, press this key to adjust analogue increase; in the DTV and DVD state, press this key to select right.
16.STANDBY: Power-on/Standby/Cancel Alarm key.
17.Loudspeaker.
18.TFT LCD Screen.
19.Power Indicator.
20.Remote Controller Receiving Window.
21.CH-: Channel Decreasing/Alarm 2 Mode Setting key. In radio state, press this key to select the stored channels in descending order; in Channel Saving state, press this key to select the location to store radio channel in descending order; in standby state, you can set the Alarm 2 mode as Alarm 2/ Radio 2/ TV2; in TV state, press this key to select channel in descending order; when entering DVD/DTV/ATV/AUX menu state, press this key to select the item downwards.
22.CH+: Channel Increasing/ Alarm 1 Mode Setting key. In radio state, press this key to select the stored channels in ascending order; in memory state, press this key to select the location to store radio in ascending order; in standby state, you can set the Alarm 1 mode as Alarm 1/ Radio 1/ TV 1; in TV state, press this key to select channel in ascending order; when entering DVD/DTV /ATV/AUX menu state, press this key to select the item upwards.
23.MENU: Menu key. In FM Radio state, press this key to select Mono and Stereo mode, in DTV/ATV/AUX state, press this key to enter menu; in DVD state, it can play menu.
24.USB connector/ Three-in-one card connector.