Service manual

Service Default Mode (SDM)
Purpose
Provide a situation with predefined settings in order to retrieve the same
measurement results as published in this manual.
Start the 'blinking LED' sequence procedure.
Have the possibility to override the 5V protection.
Specifications
Tuning frequency: 61.25MHz (Channel 3).
Color system: NTSC.
All picture settings at 50% (brightness, color, picture).
All sound settings at 50% except volume at 25% (i.e., bass, treble, and balance
at 50%, volume at 25%).
All service-unfriendly modes (if present) are disabled, such as:
§ (sleep) timer,
§ child/parental lock,
§ blue mute,
§ hotel/hospitality mode,
§ auto switch-off (when no 'IDENT' video signal is received for 15 minutes),
§ skip/blank of non-favorite presets/channels,
§ auto store of personal presets,
§ auto user menu time-out.