ISD1700 modules work independently instructions for use
1>. Recording REC:
Press and hold the REC key while LED lights up, this time facing the MIC to speak, the content of speech will be recorded into the ISD1700 voice chip in it.
After recording after a period raised the key, LED will also go out and press again to start recording the second paragraph, the subsequent paragraphs were operating.
2>. Playback PLAY:
There are two ways, edge-triggered and level-triggered. (Note: After recording tone playback pointer will remain in the final finished recording segment start address, then playback will put the last paragraph)
(1) Edge: Click the PLAY button that put the current segment LED flashes during playback until the end of playback off. Playback after playback pointer to the beginning of the segment just put the address, click the PLAY button again will put just finished this release.
(2) Level Trigger: the chip will often press the PLAY button all Play all voice messages, and the cycle until you release the button.
3>. Fast forward FWD:
Playback operation performed before, tap this button playback pointer will point to the next section, double-click the starting point to the second paragraph after paragraph. Click this button during playback to stop playback of the current segment and then play the next paragraph, if you are currently playing the last paragraph, the last paragraph playback to stop playback first paragraph.
4>. ERASE ERASE:
Single-segment erase operation can only be effective the first and last paragraph, when the playback pointer is the first or the last paragraph, the point of this key will erase the first or the last paragraph. Playback will jump to the corresponding pointer in the second paragraph before erasing or penultimate paragraph. Press this button more than 3 seconds often chips into the "All Erase operation mode" while the LED flashes twice, continue pressing this key, LED 7 flashes off, then release the button, the chip inside the voice message is All erased.
5>. Reset RESET:
Click this button chip reset operation is performed. After reset, play and record pointer points to the last paragraph, which the playback pointer to the last paragraph of the initial recording pointer to the last paragraph of the last. Run the playback is played the last paragraph, the last paragraph and then perform recording then start recording new last paragraph.
6>.Tuning VOL:
Click this button to adjust the size of the chip output sound. The default maximum output sound chip, each click, the sound attenuation by 4db. Until the smallest sound, continue to click this button, each click, the sound increases 4db (Note: Perform reset, the sound output is the maximum).
7>.FT passthrough operations:
The FT pin with GND, continued to maintain a low level will start passthrough mode. Direct action will voice from the speaker or directly to end Analn AUD output. During recording, if you press the FT, will also record the incoming voice signal Analn
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