| 摘要 |
PROBLEM TO BE SOLVED: To provide a handy navigation system capable of arranging an antenna at a position capable of obtaining an excellent reception state without deteriorating visibility. SOLUTION: In the case of carrying this handy navigation system, when a fixing pawl engaging groove 10 is inserted and hooked to an antenna fixing pawl 8 while winding a cable 17 to a roll 14 by using a knob 13, and the antenna 2 is pushed down in the direction of a main body case 16, an antenna releasing pawl 11 enters a releasing pawl engaging groove 9 and the antenna 2 is fixed to the main body case 16. In the case of desiring to obtain a better reception state, the knob 11a for detachment is used, the antenna releasing pawl 11 is moved against a spring 12, a pawl part 11b is separated from the releasing pawl engaging groove 9, the antenna 2 is pulled upwards and detached, only the antenna 2 is placed at the position for improving the reception state by extending the cable 17, and the main body case 16 is placed at the position where the display of an LCD is easy to see and used. |
