Section 5. Calibration And Maintenance; Calibration Requirements; Maintenance.and.replacement.of.batteries - Textron GREENLEE 920XC-13A Manual Del Usuario

Section 5. Calibration and Maintenance

Calibration Requirements

Maintenance and Replacement of Batteries
920XC-13A • 920XC-15A • 920XC-20C Instruction Manual
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Electric shock hazard:
• Do.not.expose.the.unit.to.extremes.in.temperature.or.high.humidity..Refer.to.
"Specifications."
• Turn.the.unit.off,.disconnect.from.power,.and.make.sure.the.laser.source.is.off.before.
cleaning.
Failure to observe these precautions could result in severe injury or death.
Calibration of the instrument is recommended every two years. Contact Greenlee for proper
calibration services.
The 920XC has two batteries: a NiMH battery to power the instrument and a realtime clock (RTC)
battery.for.data.retention.
Note: Recharge the battery prior to use if the OTDR has not been used for one month.
To replace the NiMH battery (Figure 5-1):
1. Remove the battery compartment cover.
2. Remove the battery and disconnect the battery connector.
3.. Replace.the.battery.with.the.Greenlee.supplied.replacement.battery.
To replace the RTC battery (Figure 5-1):
1. Remove the NiMH battery as above.
2. Remove the RTC coin cell battery.
3. Replace using a CR1220. Insert the replacement coin cell with the positive side facing up.
Figure 5-1. Replacing Battery
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