Stereo Power Amplifier / SE-R1
Heat buildup of this unit.
This unit becomes warm when the volume is high. This is not a malfunction.
A "humming" sound can be heard during playback.
- An AC mains lead or fluorescent light is near the cables. Keep other appliances and cords away from the cables of this unit.
- A strong magnetic field near a TV or other device may adversely affect the audio quality. Keep this unit away from such devices.
- The speakers may output noise when a device nearby is emitting powerful radio waves, such as when a mobile phone is on a call.
No sound.
- Check connections to speakers and other equipment.
- Check to see if the correct input source is selected.
- Insert the plugs of the cables to be connected all the way in.
- Set the speaker selector knob to other than [OFF].
The peak power meter does not operate.
- In the following cases, this meter does not operate:
– When the peak power meter light is turned off by pressing [DIMMER].
– When this unit is muted by pressing [MUTE] on the SU-R1’s remote control. (Only when the input selector knob is set to [DIGITAL].)
– When the speaker selector knob is set to [OFF].
The system control function is not working.
About Technics devices supporting system control function, click here.
What Technics devices support system control function?
- You can operate this unit and Technics devices supporting system control function simultaneously with ease on the remote control.
- About Technics devices supporting system control function, click here.
The unit turns off automatically.
- Is the auto off function turned on?
To cancel this function, set to [OFF] the [AUTO OFF] switch which is located on the rear panel. - If the SU-R1 is connected to this unit via the system control function, this unit may automatically enter standby mode when the SU-R1 enters standby mode.
- This unit incorporates a protection circuit to prevent damage caused by heat buildup. When you use this unit at a high volume level for a long period of time, it may turn off automatically. Wait for this unit to cool down before turning on this unit again. (For approximately 3 minutes)
I want to hold the SE-R1 as Power On condition.
- Step1. Set to [OFF] the [AUTO OFF] switch which is located on the rear panel of SE-R1.
- Step2. Set to "Off" the "AUTO OFF" function of SU-R1.
- Press [SETUP].
- Press [
][ 
] repeatedly to select "AUTO OFF" and then press [OK]. - Press [ ][ ] to select "Off" and then press [OK].
- Step3. Press unit on/off button of SU-R1 to [
OFF].
I want to improve the measurement accuracy of LAPC.
When the SU-R1 is connected to this unit and "Tone Control" function is "On", please set to "Off" the "Tone Control" function and start measurement of LAPC.