LOCKSTATE LS-90 Operation Guide - Manual (Page 10)

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To set/adjust HVAC CYCLING:
1. Press Menu and then touch “COMFORT.”
2. Touch the temp offset setting.
3. Use the +/- buttons to raise or lower the variance setting—from 0.5° to 2.0° F.
4. Press HOME to return to the Home screen.
2ND STAGE ON AT : This feature allows you to adjust the settings that control second stage heating
and cooling depending upon the climate you live in. This can be modified for maximum efficiency or
comfort. It is displayed if you have configured a multistage system in HVAC SET-UP.
To set/adjust 2ND STAGE ON AT:
1. Press Menu and then touch COMFORT
2. Touch and highlight the user setting (next to 2ND STAGE ON AT ).
3. Use the +/- buttons to raise or lower the setting—from 2.0° to 4.5°F (1° to 2.5° C).
4.Press HOME to return to the Home screen.
Chirp set - Touch this to turn the audible chirp sound on or off.
F/C Set - Touch this to switch the temperature display scale from oF to oC .