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4 GPS
32 CONTENTS TH-D72A/E
The GPS unit has two operation modes: Normal and GPS Only modes. In the Normal mode, you can
use the functions of the transceiver and of the internal GPS unit at the same time. In the GPS Only
mode, you cannot use it as a normal transceiver.
Operating in the GPS Only mode will enable a longer battery working time. If you wish to use the
TH-D72A/E as a GPS logger, we recommend setting to the GPS Only mode.
Table 4-2 Battery Life
You can use Menu 200 (GPS – Int. GPS – Operating Mode) to set to the GPS Only mode. When the
operating mode is set, the transceiver restarts in the set mode.
In the GPS Only mode, the internal GPS unit is always ON. Also, following is a display that appears
instead of the frequency display.
Figure 4-17 GPS Only Display
The internal GPS unit on the TH-D72A/E can retain up to 5,000 points of log data. Saved information
includes latitude, longitude, altitude, traveling direction, speed, time and date. The GPS logger
function of the TH-D72A/E helps a lot on travel, cycling, mountain climbing or other outdoor activities.
To start the log, press the [TNC] key in the function mode or select function menu number “F-2”.
While the log function is active in Normal mode, “Log Start” appears for 5 seconds, followed by the
illuminated iLOG pictogram. (iLOG pictogram blinks during the GPS positioning.) If the log is active
while the internal GPS unit is inactive, the GPS unit also becomes active automatically.
Figure 4-18 Log Start Display
Figure 4-19 While the log is active
4.3.7 GPS Only Mode
Battery Type
Operating Time
Normal Mode (Output Power: High) GPS Only Mode
Internal GPS: Inactive Internal GPS: Active Internal GPS: Active
PB-45L lithium ion battery Approximately 6 hours Approximately 5 hours Approximately 35 hours
4.3.8 Log Function