Crowcon Detective+ User Manual page 6

Quickstart Guide Section 2
Turn On Backlight
Press the BACKLIGHT button
is pressed again. This is programmable, but is 30 minutes by default.
Battery Low
Green LED flashes quickly, the sounder frequency increases and a warning is
flashed on the display. Use charger lead to charge the unit (8 hours for a full
charge).
Warning: Charge the unit in a Safe area only.
Calibration/Setting up
Pressing 'CAL' and entering a password enables the instrument to be recali-
brated and to change its operating modes and configuration.
2
. It stays on for 30 minutes unless the button
Detective+ Detective+
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