Replacing the battery pack
10
Use the procedures in this section to remove a weak
lithium-ion battery pack from the PTC-921 DOS and
replace it with a new one. A low-battery message
displays on the PTC’s screen when the battery pack is
running low on power.
Removing the battery pack
1.
Turn off the PTC.
!
Do not leave the PTC without a
battery pack for longer than 20
minutes; all data and programs in
the PTC’s memory will be lost.
2.
Press the Battery Release buttons on the sides of
the PTC while sliding the battery pack off of the
unit.
3.
Refer to the “Safety information” section on page
3 for instructions on properly disposing of your
lithium-ion battery pack.
Installing a new battery pack
1.
Make sure the PTC is off.
2.
Line up the battery pack with the opening in the
back of the PTC. Make sure the flat side of the
battery pack is facing the PTC and the rounded
edge is on the bottom.
3.
Slide the battery pack onto the back of the PTC
until it clicks into place.
18
Summary of Contents for PTC-921 DOS
Page 1: ...PTC 921 DOS User s Guide...
Page 2: ......
Page 3: ...PTC 921 DOS User s Guide Part Number 23451 000 02 Release Date 5 27 98...
Page 8: ...iv...
Page 32: ...24...
Page 35: ...Processor Type V20H 9 8304 MHz Software Operating system Telxon ROM DOS MS DOS 5 0 27...
Page 36: ...28...
Page 38: ...30...
Page 42: ...34...
Page 46: ...TXD Transmit data signal TXD indicates that a device is currently transmitting data 38...
Page 50: ...42...
Page 51: ......