6300 Rev H User’s Manual
125-9106A Page 12
[11] Indicator LED’s :
‘Ready’ LED: This green LED provides several indications as described below.
a. When the unit is ready for use, the LED is steadily On.
b. When the Remote is not connected, the LED blinks two times every 2-seconds
c. When the temperature is too low for operation (on units without heaters), the LED blinks once every
2-seconds.
d. After the unit is ready for use, when the Power key on the Remote is pressed, the LED blinks rapidly
while the Power key is held down. If the Power key is held down for more than 3 seconds, either a
turn-On or Turn-Off condition is ‘detected’ and the LED blinks slowly for 5 more seconds, during
which the user must release the Power key.
‘Heaters’ LED: On units equipped with internal heaters, this yellow LED will turn On while the heaters are
On. The LED may stay On even after the Ready LED comes On.
‘Low-Batt’ LED: On units with an internal battery, this yellow LED will turn On when a low-battery
condition is detected. After this LED turns On, the user will typically have 15 to 20 minutes before the unit
automatically turns Off due to total discharge of the battery. The Remote unit also displays a low-battery
condition as a warning message.
‘Charging’ LED: On units with an internal battery, this red LED will be On while the battery is being
charged.
[12] RS232 interface connector:
This connector is accessed by opening the “Interface Connectors” access panel. The connector is a standard
DB-9 female connector used for a serial RS232 interface. It can be connected directly to the “COM” port of a
standard PC to allow communication. This port is normally used for downloading “profiles” from a
computer. Other remote communication with the 6300 is also possible through this interface.
For more details on downloading profiles, please refer to Section 4. For more details on communication with
the 6300, please refer to Section 8. The pin-out of this connector is provided in Appendix C.
[13] Encoder interface connector:
This connector is accessed by opening the “Interface Connectors” access panel. If the Encoder option is
included with the tester, this connector will interface to an altimeter encoder and enable the 10-bit Gray code
to be displayed on the Remote unit. For more details, please refer to Section 3.10.9. The pin-out of this
connector is provided in Appendix C.
[14] Earth Ground stud
[15] Wi-Fi Antenna
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