Backlight And Backlight Timeout; Hold Function; Trend Indicators; Battery Indicator - Omega HH911T User Manual

To conserve battery life, the instrument automatically turns off if no key is pressed for 20
minutes. To disable this feature, press
once, indicating auto-power off is disabled.
Auto-power off will remain disabled until instrument power is cycled. At next power on,
auto-power off returns to the default enabled condition.

Backlight and Backlight Timeout

The instrument includes an LED backlight feature to ensure measurement data can be easily
read in low-light conditions. To activate the backlight, press
Once the backlight is activated, it will automatically turn off after 30 seconds if no key is
pressed to preserve battery life. To disable the backlight timeout feature, press
backlight will flash to indicate the timeout feature has been disabled. To re-enable the
backlight timeout feature, turn the backlight off then on by pressing

Hold Function

Press to hold the current reading and/or statistics result, and to pause statistics
accumulation. HOLD is displayed at the top-left of the LCD display. New measurements are
not displayed, trend indicators are not refreshed, and statistics are not calculated while the
hold function is active.
To disable the hold function and resume normal operation and statistics data accumulation,
press again.

Trend Indicators

Trend indicators provide a visual representation of the measurement's stability, and
separate indicators are provided for each channel. An up arrow indicates that the current
measurement is trending upwards, while a down arrow indicates the measurement is
trending downwards. Neither arrow is visible when the measurement is stable. For best
accuracy, always allow the measurement to stabilize before evaluating or recording the
measured temperature. This feature can be turned on and off in the Setup menu. See
section 3.3 above.

Battery Indicator

Battery depletion or battery replacement will reset all measurement parameters to
their default values and deletes all existing statistics data. After battery replacement,
set measurement parameters as required.
Operating Instructions
(1.5s) . The remaining battery life indicator will flash
B
ARS
3
2
1
0
3-6
.
twice.
A . B L
PPROX ATTERY IFE
100% - 50%
50% - 20%
20% - 5%
0% - Shutdown Initiated
(1.5s) . The