Edgetech PORT LF, User Hardware Manual

Page: 57 / 79

6-9
6.2 Battery Replacement
The PORT-LF uses a welded Battery Pack made up of standard “AA” alkaline batteries.
6.2.1 Battery Replacement Procedure
WARNING!
IF THE UNDERWATER UNIT HAS BEEN DEPLOYED, THERE IS THE
POSSIBILITY OF INTERNAL PRESSURIZATION, EXERCISE EXTREME
CAUTION WHEN OPENING THE INSTRUMENT!
CAUTION!
The PORT-LF’s battery pack is on the underside of the Electronics’
Assembly. To replace the battery, the Electronics board must be flipped
upside down. This is safe. No components will touch the table if properly
handled. Battery replacements should always be done on a hard surface,
such as a table or work bench to prevent damage to all components.
When replacing the battery, take special care to install the Battery
Connection Wires to avoid pinching them with the Battery Pack Retaining
Brackets during reassembly.
To replace the batteries:
1. Open the instrument, referring to sub-section 4.1.3 .
2. Open the Release End from the Housing by gently pulling them apart. Be careful not to scratch
the Housing then pulling the assembly from the tube, referring to sub-section
4.1.2 .