Appendix A–2
TROUBLESHOOTING
GAUGE WILL NOT COMMUNICATE WITH PRINTER OR
COMPUTER
Check that the correct cable is being used.
Ensure that the printer/computer baud rate is 9,600 bps.
Ensure that all other parameters match:
♦ Data bits = 8
♦ Stop bits = 2
♦ Parity = none
♦ Protocol = DSR/DTR
GAUGE TURNS OFF AFTER IT IS TURNED ON
To conserve power, the gauge provides an automatic shutdown
if no key is pressed for 60 minutes. To turn the gauge on, press
the power switch.
If the rechargeable NiMH battery pack is below 5.5 V dc, the
gauge shuts down. Recharge or replace the batteries (see page
A–4).
SHORT BATTERY LIFE AFTER RECHARGING
NiMH batteries may be charged up to 500 or more full
charge/discharge cycles, and typically have a 4-year life. The
batteries may be reaching the end of their life cycle, and should
be replaced.
Charger/adapter may not be supplying full charge – check the ac
outlet and the dc output (12 V dc) using a voltmeter on the
proper setting.
Check that you are using the correct charger.
The ac charger may be defective. To check, use the dc adapter
to charge the batteries.
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