White Rodgers 1F70 - Manual (Page 13)

cover (see fig. 7). The switch allows the opera­
tor to manually override the current setback or
setup time period. If the thermostat is in a
setback time period (in the blue position) when
you move the switch, the thermostat will go into
a setup time period. The switch does not cause
a permanent change in timer operation. Normal
operation will resume when the bypassed set­
back or setup period has elapsed.
REPLACING THE BATTERY
If the timer slows down or stops, the battery
should be replaced. If your thermostat uses
"AA" alkaline batteries, you should routinely
replace the batteries once a year to ensure
proper coick operation. If your thermostat uses
a Nicad battery, the normal battery life is six
years. The system will continue to operate if the
battery is dead, but the setback/setup feature
Figure 7. Program advance switch.
will not operate. Follow these steps to replace
the battery.
1. Use a small screwdriver to pry the battery
out (see fig. 8).
2. Install a fresh battery, with the positive (+)
end to the right.
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