Kenwood TH-D72A/E - Manual (Page 39)

4 GPS
TH-D72A/E CONTENTS 31
If the reception is inferior (such as while you are in a building), the GPS unit continues searching for a
satellite resulting the battery longevity. To prevent unnecessary battery consumption, this function
will turn the GPS power source Off for the programmed duration of time if position data is not
determined during the maximum capture time (5 minutes).
Set the timer through Menu 201.
Possible choices are “Off”, “1 min”, “2 min”, “4 min”, “8 min” and “Auto”.
Figure 4-15 GPS Unit Behavior if 1 min is Selected
Figure 4-16 GPS Unit Behavior if Auto is Selected
Assumed uses of the TH-D72A/E include transmitting beacons on band A in APRS mode and
transmitting voice on band B in dual band mode with the internal GPS unit on.
Following is the table that provides the estimated battery operating time. (Transmission 6 seconds/
reception 6 seconds/ standby 48 seconds)
Table 4-1 Battery Operating Time
4.3.5 Internal GPS Unit Save
4.3.6 Battery Operating Time during the Concurrent Use of the
Internal GPS Unit
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
G
P
S
O
F
F
G
P
S
O
F
F
G
P
S
O
F
F
G
P
S
O
F
F
Maximum
Catching Time
GPS ON
(Catching + Tracking)
Maximum
Catching Time
GPS ON
(Catching + Tracking)
Maximum
Catching Time
GPS ON
(Catching + Tracking)
Maximum
Catching Time
GPS ON
(Catching + Tracking)
approx. 5 min. approx. 5 min. approx. 5 min. approx. 5 min. approx. 1 min. approx. 1 min. approx. 1 min.
G
P
S
O
F
F
GPS
OFF
GPS
OFF
GPS
OFF
Maximum
Catching Time
GPS ON
(Catching + Tracking)
Maximum
Catching Time
GPS ON
(Catching + Tracking)
Maximum
Catching Time
GPS ON
(Catching + Tracking)
Maximum
Catching Time
GPS ON
(Catching + Tracking)
Maximum
Catching Time
GPS ON
(Catching + Tracking)
approx. 5 min. approx. 5 min. approx. 5 min. approx. 5 min. approx. 5 min. approx. 8 min. approx. 4 min. approx. 1 min. approx. 2 min.