Topcon GTS-823A - Manual (Page 25)

2-1
2 PREPARATION FOR MEASUREMENT
2 PREPARATION FOR MEASUREMENT
2.1 Power Connection
(unnecessary if on-board Ni-MH battery BT-56Q is used)
See below for connecting the external battery pack.
l Battery pack BT-3Q
Power cord , PC-5 is used.
l Large capacity battery pack BT-3L
Power cord PC-6 is used.
l When using a external battery, the rechargeable battery BT-56Q should be attached
(The instrument will lack in balance if the internal battery BT-56Q is removed.)
The external battery and the internal battery can be used at the same time. The GTS-820A series
will select a battery due to the battery remaining automatically.
Connector ends
PC-5
PC-6
PC-5
PC-6
BT-3Q
BT-3L
PC-5 or PC-6
AC-6 External 12V Battery