JRC JLR-7700MKII Instruction Manual page 84

(4) Extension cable
As the extension cable for the DGPS receiver, the following model of cable is recommended as standard
equipment in order to assure the waterproof structure of the junction box.
Extension calbe
Be sure to select a rubber gasket with proper size that matches with the
extension cable to be used as shown in the table below.
Model name of the rubbergasket Rubber gasket OD Rubber gasket ID Adaptable cable size
When any cable other than the above is used, it will leave a gap that may cause
waterproof measures such as applying putty.
Any water intrusion into the junction box may cause a fault.
Model : 250V-MPYCYS-5
CAUTION
25a
25b
25c
Outer diameter: 16.8
25 16
25 18
25 20
JLR-7700 MK 2 GPS Navigator
0.7mm
14 16
16 18
18 20
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