IDM 503 / 505 English
20
Auto Power Off
Wake up the instrument by switching the rotary switch or by pressing any button.
Auto Backlight
The backlight is automatically turned on in a dark environment.
Buzzer
The instrument buzzer beeps once for every valid key-press, and beeps twice for every
invalid key-press.
Power On Options
Press the following button while turning the Instrument on from the “OFF” position.
“CANCEL” button
: Clear all stored data
“RANGE” button
: Display LCD test frame
“FUNCTION” button
: Default °C / °F reading
“HFR” button
: Display firmware version
“A-HOLD” button
: Disable AUTO BACKLIGHT
AUTO BACKLIT
AUTO BACKLIT
